Hartmut Ehrig
发表
Hartmut Ehrig,
Gabriele Taentzer,
Frank Hermann,
2008,
Electron. Notes Theor. Comput. Sci..
Hartmut Ehrig,
Ingo Claßen,
1989,
Bull. EATCS.
Hartmut Ehrig,
Ingo Claβen,
Dietmav Wolz,
1993
.
Hartmut Ehrig,
Hans-Jörg Kreowski,
Grzegorz Rozenberg,
2002
.
Hartmut Ehrig,
Kathrin Hoffmann,
Till Mossakowski,
2005,
ICATPN.
Reiko Heckel,
Hartmut Ehrig,
Andrea Corradini,
1996,
Mathematical Structures in Computer Science.
Hartmut Ehrig,
Wolfgang Kühnel,
Michael Pfender,
1974,
Category Theory Applied to Computation and Control.
Hartmut Ehrig,
Gabriele Taentzer,
Ulrike Golas,
2010,
Graph Transformations and Model-Driven Engineering.
Reiko Heckel,
Hartmut Ehrig,
Dénes Bisztray,
2009,
VODCA@FOSAD.
Hartmut Ehrig,
Ulrike Golas,
Frank Hermann,
2015
.
Hartmut Ehrig,
Fernando Orejas,
Benjamin Braatz,
2002,
Trans. SDPS.
Reiko Heckel,
Eckehard Schnieder,
Hartmut Ehrig,
2001,
Trans. SDPS.
Hartmut Ehrig,
Ulrike Golas,
Benjamin Braatz,
2010,
ICGT.
Hartmut Ehrig,
Fernando Orejas,
Michael Löwe,
1994,
COMPASS/ADT.
Hartmut Ehrig,
Ulrike Golas,
Frank Hermann,
2015
.
Hartmut Ehrig,
Ulrike Golas,
Fernando Orejas,
2008,
ICGT.
Hartmut Ehrig,
Gabriele Taentzer,
Ulrike Golas,
2004,
ICGT.
Hartmut Ehrig,
Claudia Ermel,
Maria Maximova,
2015,
Sci. Comput. Program..
Hartmut Ehrig,
Krzysztof Czarnecki,
Frank Hermann,
2011,
MODELS'11.
Hartmut Ehrig,
Grzegorz Rozenberg,
Julia Padberg,
2001,
Lecture Notes in Computer Science.
Hartmut Ehrig,
Robert Geisler,
Marcus Klar,
1998
.
Hartmut Ehrig,
Giorgio Levi,
Ugo Montanari,
1987
.
Hartmut Ehrig,
H. Ehrig,
1977,
FCT.
Hartmut Ehrig,
Ulrike Golas,
Frank Hermann,
2011
.
Hartmut Ehrig,
Martin Große-Rhode,
Uwe Wolter,
1995,
COMPASS/ADT.
Hartmut Ehrig,
Hans-Jörg Kreowski,
H. Kreowski,
1974,
Category Theory Applied to Computation and Control.
Hartmut Ehrig,
Benjamin Braatz,
Markus Klein,
2005,
it Inf. Technol..
Hartmut Ehrig,
Francesco Parisi-Presicce,
Dean Jacobs,
1989,
J. Inf. Process. Cybern..
Hartmut Ehrig,
Fernando Orejas,
Michael Baldamus,
1999,
Mathematical Structures in Computer Science.
Reiko Heckel,
Hartmut Ehrig,
Gregor Engels,
1999
.
Hartmut Ehrig,
Krzysztof Czarnecki,
Thomas Engel,
2012,
Software & Systems Modeling.
Hartmut Ehrig,
Ulrike Golas,
Claudia Ermel,
2007,
ICATPN.
Hartmut Ehrig,
K.-D. Kiermeier,
H.-J. Kreowski,
1974
.
Hartmut Ehrig,
Karsten Gabriel,
H. Ehrig,
2011,
Int. J. Softw. Informatics.
Hartmut Ehrig,
Priv. Doz. Dr. Bernd Mahr,
1985
.
Hartmut Ehrig,
Hans Jürgen Schneider,
H. Ehrig,
1994,
Lecture Notes in Computer Science.
Hartmut Ehrig,
Bernd Mahr,
1990
.
Hartmut Ehrig,
Grzegorz Rozenberg,
Julia Padberg,
2006,
ICGT.
Hartmut Ehrig,
K.-D. Kiermeier,
H.-J. Kreowski,
1974
.
Hartmut Ehrig,
Bernd Mahr,
1990
.
Hartmut Ehrig,
Herbert Weber,
1986,
IFIP Congress.
Hartmut Ehrig,
Martin Große-Rhode,
Bernd Mahr,
1999,
Mathematisch-strukturelle Grundlagen der Informatik.
Hartmut Ehrig,
1992
.
Hartmut Ehrig,
Bernd Mahr,
1990
.
Hartmut Ehrig,
Ulrike Golas,
Julia Padberg,
2011
.
Hartmut Ehrig,
Ingo Claßen,
Dietmar Wolz,
1993,
AMAST Series in Computing.
Hartmut Ehrig,
1993,
Current Trends in Theoretical Computer Science.
Hartmut Ehrig,
Julia Padberg,
Robert Geisler,
1997,
CONCUR.
Hartmut Ehrig,
Fernando Orejas,
Ingo Claßen,
1992,
Comput. J..
Hartmut Ehrig,
Fernando Orejas,
Benjamin Braatz,
2005,
FESCA@ETAPS.
Hartmut Ehrig,
Werner Fey,
Horst Hansen,
1983,
ADT.
Hartmut Ehrig,
Herbert Weber,
H. Ehrig,
1986,
IEEE Transactions on Software Engineering.
Hartmut Ehrig,
H. Ehrig,
2001
.
Hartmut Ehrig,
Maurice Nivat,
James W. Thatcher,
1985,
TAPSOFT, Vol.2.
Hartmut Ehrig,
Bernd Mahr,
H. Ehrig,
1981,
J. Comput. Syst. Sci..
Hartmut Ehrig,
Robert Geisler,
Marcus Klar,
1998,
Informatik Forschung und Entwicklung.
Hartmut Ehrig,
Ulrike Golas,
Frank Hermann,
2010,
MDI '10.
Hartmut Ehrig,
Gabriele Taentzer,
Leen Lambers,
2008,
Electron. Commun. Eur. Assoc. Softw. Sci. Technol..
Hartmut Ehrig,
Gabriele Taentzer,
1999,
CSUR.
Hartmut Ehrig,
Edward K. Blum,
Francesco Parisi-Presicce,
1987,
J. Comput. Syst. Sci..
Hartmut Ehrig,
Bernd Mahr,
1990
.
Hartmut Ehrig,
Barbara König,
Guilherme Rangel,
2008,
FoSSaCS.
Hartmut Ehrig,
Julia Padberg,
2006,
J. Log. Algebraic Methods Program..
Hartmut Ehrig,
Annegret Habel,
Ulrike Golas,
2010,
ICGT.
Hartmut Ehrig,
Uwe Wolter,
1996,
Bull. EATCS.
Hartmut Ehrig,
Julia Padberg,
1994,
Bull. EATCS.
Hartmut Ehrig,
2001,
Bull. EATCS.
Hartmut Ehrig,
Giorgio Levi,
Ugo Montanari,
1987
.
Hartmut Ehrig,
Ulrike Golas,
2007,
CAI.
Hartmut Ehrig,
Francesco Parisi-Presicce,
Michael Löwe,
1988,
Categorial Methods in Computer Science.
Hartmut Ehrig,
Annegret Habel,
Hans-Jörg Kreowski,
1991,
Mathematical Structures in Computer Science.
Hartmut Ehrig,
2006,
Bull. EATCS.
Hartmut Ehrig,
Annegret Habel,
Ulrike Golas,
2012
.
Hartmut Ehrig,
2004,
SoftSpez Final Report.
Hartmut Ehrig,
Barry K. Rosen,
1980,
SIAM J. Comput..
Hartmut Ehrig,
Ulrike Golas,
Frank Hermann,
2015,
Monographs in Theoretical Computer Science. An EATCS Series.
Hartmut Ehrig,
Rolf Niedermeier,
Falk Hüffner,
2012,
Comput..
Hartmut Ehrig,
Hans-Jörg Kreowski,
Herbert Weber,
1978,
VLDB.
Hartmut Ehrig,
Ulrike Golas,
Fernando Orejas,
2012,
Theor. Comput. Sci..
Hartmut Ehrig,
Hans-Jörg Kreowski,
1976
.
Hartmut Ehrig,
Hans-Jurgen Schneider,
1994
.
Hartmut Ehrig,
Frank Hermann,
Claudia Ermel,
2009,
FASE.
Hartmut Ehrig,
Ulrike Golas,
Claudia Ermel,
2010,
Formal Aspects of Computing.
Hartmut Ehrig,
Hans-Jörg Kreowski,
Peter Padawitz,
1982,
Theor. Comput. Sci..
Hartmut Ehrig,
Frank Hermann,
Christoph Brandt,
2010
.
Reiko Heckel,
Hartmut Ehrig,
Andrea Corradini,
2001,
Appl. Categorical Struct..
Hartmut Ehrig,
Claudia Ermel,
Maria Maximova,
2012,
Electron. Commun. Eur. Assoc. Softw. Sci. Technol..
Hartmut Ehrig,
H. Ehrig,
1978,
Graph-Grammars and Their Application to Computer Science and Biology.
Hartmut Ehrig,
1998,
Bull. EATCS.
Hartmut Ehrig,
Ulrike Golas,
Julia Padberg,
2010,
Electron. Commun. Eur. Assoc. Softw. Sci. Technol..
Hartmut Ehrig,
Hans-Jörg Kreowski,
James W. Thatcher,
1981,
Theor. Comput. Sci..
Reiko Heckel,
Hartmut Ehrig,
Andrea Corradini,
2007,
CALCO.
Hartmut Ehrig,
Francesco Parisi-Presicce,
1991,
COMPASS/ADT.
Hartmut Ehrig,
Grzegorz Rozenberg,
H.-J. Kreowski,
1991,
Lecture Notes in Computer Science.
Hartmut Ehrig,
Annegret Habel,
Ulrike Golas,
2006,
Fundam. Informaticae.
Hartmut Ehrig,
Andrea Corradini,
Paolo Baldan,
2008,
ICGT.
Hartmut Ehrig,
Bernd Mahr,
H. Ehrig,
1990,
EATCS Monographs on Theoretical Computer Science.
Hartmut Ehrig,
Fernando Orejas,
Pilar Nivela,
1988,
Categorial Methods in Computer Science.
Hartmut Ehrig,
Ulrike Golas,
Tihamer Levendovszky,
2007,
Electron. Notes Theor. Comput. Sci..
Hartmut Ehrig,
Hans-Jörg Kreowski,
James W. Thatcher,
1984,
Theor. Comput. Sci..
Hartmut Ehrig,
Leonardo Mariani,
Mauro Pezzè,
2007,
ASE.
Hartmut Ehrig,
Hans-Jörg Kreowski,
Wolfgang Kühnel,
1974,
Teubner Studienbücher.
Hartmut Ehrig,
Julia Padberg,
Kathrin Hoffmann,
2006,
FoVMT.
Hartmut Ehrig,
Bernd Mahr,
H. Ehrig,
1985
.
Hartmut Ehrig,
Frank Hermann,
Karsten Ehrig,
2008,
Electron. Commun. Eur. Assoc. Softw. Sci. Technol..
Hartmut Ehrig,
Julia Padberg,
Leila Ribeiro,
1995,
Mathematical Structures in Computer Science.
Hartmut Ehrig,
Ulrike Golas,
Frank Hermann,
2014,
Mathematical Structures in Computer Science.
Hartmut Ehrig,
Ugo Montanari,
Grzegorz Rozenberg,
2006
.
Hartmut Ehrig,
Leonardo Mariani,
Mauro Pezzè,
2008,
FASE.
Hartmut Ehrig,
Ingo Claßen,
1990,
Bull. EATCS.
Hartmut Ehrig,
1987,
WG.
Hartmut Ehrig,
Gabriele Taentzer,
Ulrike Golas,
2006,
Monographs in Theoretical Computer Science. An EATCS Series.
Hartmut Ehrig,
Hans-Jörg Kreowski,
H. Kreowski,
1976,
MFCS.
Hartmut Ehrig,
1988,
Categorial Methods in Computer Science.
Hartmut Ehrig,
Claudia Ermel,
Julia Padberg,
2008
.
Hartmut Ehrig,
John Staples,
1982,
Graph-Grammars and Their Application to Computer Science.
Hartmut Ehrig,
Francesco Parisi-Presicce,
1992,
ALP.
Azriel Rosenfeld,
Manfred Nagl,
Hartmut Ehrig,
1990,
Lecture Notes in Computer Science.
Hartmut Ehrig,
Hans-Jörg Kreowski,
Andrea Maggiolo-Schettini,
1981,
Mathematical systems theory.
Hartmut Ehrig,
H. Ehrig,
1981,
CAAP.
Hartmut Ehrig,
Fernando Orejas,
Michael Baldamus,
1991,
Bull. EATCS.
Hartmut Ehrig,
Ulrike Golas,
Frank Hermann,
2011,
Electron. Commun. Eur. Assoc. Softw. Sci. Technol..
Hartmut Ehrig,
Gregor Engels,
Grzegorz Rozenberg,
2004
.
Hartmut Ehrig,
Fernando Orejas,
Michael Baldamus,
1991,
COMPASS/ADT.
Hartmut Ehrig,
Bernd Mahr,
H. Ehrig,
1980,
STOC '80.
Hartmut Ehrig,
Frank Hermann,
Christoph Brandt,
2011
.
Hartmut Ehrig,
Michael Löwe,
H. Ehrig,
1990,
Graph-Grammars and Their Application to Computer Science.
Reiko Heckel,
Hartmut Ehrig,
Grzegorz Rozenberg,
1998,
TAGT.
Hartmut Ehrig,
Fernando Orejas,
Benjamin Braatz,
2002,
FASE.
Hartmut Ehrig,
Wolfgang Reisig,
Claudia Ermel,
2003,
Petri Net Technology for Communication-Based Systems.
Hartmut Ehrig,
Gabriele Taentzer,
Claudia Ermel,
2011,
FASE.
Hartmut Ehrig,
2010,
Electron. Commun. Eur. Assoc. Softw. Sci. Technol..
Hartmut Ehrig,
Martin Große-Rhode,
H. Ehrig,
1994,
Theor. Comput. Sci..
Hartmut Ehrig,
Karsten Gabriel,
H. Ehrig,
2012,
Theor. Comput. Sci..
Hartmut Ehrig,
Gabriele Taentzer,
Fernando Orejas,
2010,
Electron. Commun. Eur. Assoc. Softw. Sci. Technol..
Hartmut Ehrig,
Claudia Ermel,
H. Ehrig,
2008,
GT-VC@CONCUR.
Hartmut Ehrig,
Juan de Lara,
Esther Guerra,
2009,
CALCO.
Hartmut Ehrig,
Francesco Parisi-Presicce,
1990,
Graph-Grammars and Their Application to Computer Science.
Hartmut Ehrig,
Ulrike Golas,
Frank Hermann,
2015
.
Hartmut Ehrig,
Fernando Orejas,
Rosa M. Jiménez,
1993,
TAPSOFT.
Hartmut Ehrig,
Ugo Montanari,
Grzegorz Rozenberg,
1999
.
Hartmut Ehrig,
1982,
ADT.
Hartmut Ehrig,
2003,
Bull. EATCS.
Hartmut Ehrig,
Ugo Montanari,
Grzegorz Rozenberg,
2006,
ICGT.
Hartmut Ehrig,
Dean Jacobs,
Michael Löwe,
1989,
FSTTCS.
Hartmut Ehrig,
Michael Pfender,
1972
.
Hartmut Ehrig,
H. Ehrig,
2004,
Bull. EATCS.
Hartmut Ehrig,
H. Ehrig,
1982,
Graph-Grammars and Their Application to Computer Science.
Hartmut Ehrig,
Martin Große-Rhode,
Bernd Mahr,
2001,
Mathematisch-strukturelle Grundlagen der Informatik, 2. Auflage.
Hartmut Ehrig,
Maurice Nivat,
James W. Thatcher,
1985
.
Hartmut Ehrig,
Milan Urbásek,
Benjamin Braatz,
2003,
Petri Net Technology for Communication-Based Systems.
Hartmut Ehrig,
Wolfgang Kühnel,
W. Kühnel,
1974,
RAIRO Theor. Informatics Appl..
Hartmut Ehrig,
Arend Rensink,
Andy Schürr,
2010,
International Conference on Graph Transformation.
Hartmut Ehrig,
Annegret Habel,
1983,
WG.
Hartmut Ehrig,
Ulrike Golas,
Frank Hermann,
2010,
ICGT.
Hartmut Ehrig,
Hans-Jörg Kreowski,
Peter Padawitz,
1980,
MFCS.
Hartmut Ehrig,
K.-D. Kiermeier,
H.-J. Kreowski,
1974
.
Hartmut Ehrig,
Gabriele Taentzer,
Ulrike Golas,
2005,
2005 IEEE Symposium on Visual Languages and Human-Centric Computing (VL/HCC'05).
Hartmut Ehrig,
Ulrike Golas,
Frank Hermann,
2010
.
Hartmut Ehrig,
Julia Padberg,
Kathrin Hoffmann,
2009
.
Hartmut Ehrig,
Claudia Ermel,
Julia Padberg,
2001,
UNIGRA.
Hartmut Ehrig,
2001,
Bull. EATCS.
Hartmut Ehrig,
1997,
GI Jahrestagung.
Hartmut Ehrig,
Annegret Habel,
Ulrike Golas,
2012,
Fundam. Informaticae.
Hartmut Ehrig,
Fernando Orejas,
2001,
Current Trends in Theoretical Computer Science.
Hartmut Ehrig,
Holger Giese,
Ulrike Golas,
2012,
ICGT.
Hartmut Ehrig,
Ulrike Golas,
Leen Lambers,
2008,
Appl. Categorical Struct..
Hartmut Ehrig,
Fernando Orejas,
Michael Baldamus,
1991,
AMAST.
Hartmut Ehrig,
Magdalena Gajewsky,
H. Ehrig,
2001,
Unifying Petri Nets.
Hartmut Ehrig,
Gabriele Taentzer,
1992
.
Hartmut Ehrig,
Hans-Jörg Kreowski,
Gabriele Taentzer,
1993,
Dagstuhl Seminar on Graph Transformations in Computer Science.
Hartmut Ehrig,
Michael Löwe,
Paul Boehm,
1986,
Graph-Grammars and Their Application to Computer Science.
Hartmut Ehrig,
Ingo Claßen,
Michael Löwe,
1989,
Software-Entwicklung.
Hartmut Ehrig,
Martin Große-Rhode,
1992,
Bull. EATCS.
Hartmut Ehrig,
Michael Pfender,
Hans Jürgen Schneider,
1973,
SWAT.
Antonio Bucchiarone,
Hartmut Ehrig,
Claudia Ermel,
2010,
FASE.
Hartmut Ehrig,
1990,
Bull. EATCS.
Hartmut Ehrig,
K.-D. Kiermeier,
H.-J. Kreowski,
1974
.
Hartmut Ehrig,
Gabriele Taentzer,
2000,
ICALP Satellite Workshops.
Hartmut Ehrig,
Hans-Jörg Kreowski,
1982
.
Hartmut Ehrig,
Michael Löwe,
1992,
Informatik zwischen Wissenschaft und Gesellschaft.
Hartmut Ehrig,
Bernd Mahr,
H. Ehrig,
1985
.
Hartmut Ehrig,
Michael Löwe,
Werner Fey,
1988,
ADT.
Eckehard Schnieder,
Hartmut Ehrig,
Jörg Desel,
2004
.
Hartmut Ehrig,
Hans Jürgen Schneider,
1993
.
Hartmut Ehrig,
Claudia Ermel,
Maria Maximova,
2011
.
Hartmut Ehrig,
Uwe Wolter,
Magdalena Gajewsky,
1997,
WADT.
Hartmut Ehrig,
1986,
ADT.
Hartmut Ehrig,
Fernando Orejas,
Horst Reichel,
1990,
Lecture Notes in Computer Science.
Hartmut Ehrig,
Axel Liedtke,
1978,
Graph-Grammars and Their Application to Computer Science and Biology.
Hartmut Ehrig,
Wilfried Brauer,
Arto Salomaa,
2002
.
Hartmut Ehrig,
Paolo Baldan,
Barbara König,
2006,
ICGT.
Hartmut Ehrig,
Bernd Mahr,
2001,
Current Trends in Theoretical Computer Science.
Hartmut Ehrig,
Ulrike Golas,
Claudia Ermel,
2007,
Bull. EATCS.
Hartmut Ehrig,
Gabriele Taentzer,
Ulrike Golas,
2006,
Fundam. Informaticae.
Hartmut Ehrig,
Fernando Orejas,
2003,
Electron. Notes Theor. Comput. Sci..
Hartmut Ehrig,
Claudia Ermel,
Maria Maximova,
2013,
Electron. Commun. Eur. Assoc. Softw. Sci. Technol..
Hartmut Ehrig,
Arend Rensink,
Andy Schürr,
2010
.
Hartmut Ehrig,
Bernd Mahr,
H. Ehrig,
1985,
EATCS Monographs on Theoretical Computer Science.
Hartmut Ehrig,
Fernando Orejas,
Leen Lambers,
2006,
ICGT.
Hartmut Ehrig,
H. Ehrig,
1987,
Bull. EATCS.
Dániel Varró,
Hartmut Ehrig,
Juan de Lara,
2005,
Transformation Techniques in Software Engineering.
Hartmut Ehrig,
Annegret Habel,
Hans-Jörg Kreowski,
1990,
Graph-Grammars and Their Application to Computer Science.
Reiko Heckel,
Hartmut Ehrig,
Dénes Bisztray,
2008,
Electron. Commun. Eur. Assoc. Softw. Sci. Technol..
Reiko Heckel,
Hartmut Ehrig,
Mercè Llabrés,
1999
.
Hartmut Ehrig,
Annegret Habel,
Ulrike Golas,
2014,
Mathematical Structures in Computer Science.
Hartmut Ehrig,
Fernando Orejas,
Peter Pepper,
1989,
ICALP.
Hartmut Ehrig,
Julia Padberg,
2002,
Trans. SDPS.
Hartmut Ehrig,
Werner Fey,
1981,
GI Jahrestagung.
Hartmut Ehrig,
Fernando Orejas,
Michael Baldamus,
1993,
Current Trends in Theoretical Computer Science.
Hartmut Ehrig,
Wolfgang Reisig,
W. Reisig,
1997,
Bull. EATCS.
Hartmut Ehrig,
Gregor Engels,
H. Ehrig,
1994,
TAGT.
Hartmut Ehrig,
H. Ehrig,
1995,
SEGRAGRA.
Reiko Heckel,
Hartmut Ehrig,
Gregor Engels,
1997,
ESEC '97/FSE-5.
Hartmut Ehrig,
A. Tsioalikis,
H. Ehrig,
2000
.
Hartmut Ehrig,
Frank Hermann,
Karsten Gabriel,
2012,
ACCAT.
Hartmut Ehrig,
Julia Padberg,
Elvira Pino,
2010,
Fundam. Informaticae.
J. van Leeuwen,
Hartmut Ehrig,
Hans-Jörg Kreowski,
1998,
Lecture Notes in Computer Science.
Hartmut Ehrig,
Grzegorz Rozenberg,
Julia Padberg,
2005,
Electron. Notes Theor. Comput. Sci..
A Decade of TAPSOFT: Aspects of Process and Prospects in Theory and Practice of Software Development
Hartmut Ehrig,
Bernd Mahr,
1995,
TAPSOFT.
Hartmut Ehrig,
Ulrike Golas,
Frank Hermann,
2015
.
Hartmut Ehrig,
Hans-Jörg Kreowski,
Gregor Engels,
2000
.
Hartmut Ehrig,
Maurice Nivat,
James W. Thatcher,
1985,
Lecture Notes in Computer Science.
Hartmut Ehrig,
Hans-Jörg Kreowski,
1999,
Algebraic Foundations of Systems Specification.
Hartmut Ehrig,
1993,
GI Jahrestagung.
Hartmut Ehrig,
Francesco Parisi-Presicce,
Martin Große-Rhode,
1988,
ADT.
Hartmut Ehrig,
Annegret Habel,
Karl-Heinz Pennemann,
2004,
Fundam. Informaticae.
Reiko Heckel,
Hartmut Ehrig,
Dénes Bisztray,
2008
.
Hartmut Ehrig,
Fernando Orejas,
Julia Padberg,
2009,
FESCA@ETAPS.
Hartmut Ehrig,
Julia Padberg,
J. Padberg,
1997,
Foundations of Computer Science: Potential - Theory - Cognition.
Hartmut Ehrig,
Werner Fey,
Horst Hansen,
1984,
ADT.
Hartmut Ehrig,
1992,
Bull. EATCS.
Reiko Heckel,
Hartmut Ehrig,
Andrea Corradini,
2005,
Mathematical Structures in Computer Science.
Hartmut Ehrig,
Ulrike Golas,
Frank Hermann,
2015
.
Hartmut Ehrig,
Ulrike Golas,
Ulrike Golas,
2006,
Essays Dedicated to Joseph A. Goguen.
Reiko Heckel,
Hartmut Ehrig,
Julia Padberg,
2002,
Formal and Natural Computing.
Hartmut Ehrig,
Wilfried Brauer,
Arto Salomaa,
2002,
Lecture Notes in Computer Science.
Hartmut Ehrig,
Michael Löwe,
H. Ehrig,
1991,
WG.
Hartmut Ehrig,
Helmut Adametz,
1991,
Bull. EATCS.
Hartmut Ehrig,
Frank Hermann,
Andrea Corradini,
2014,
Mathematical Structures in Computer Science.
Hartmut Ehrig,
Karsten Gabriel,
H. Ehrig,
2012,
Software Service and Application Engineering.
Hartmut Ehrig,
Hans-Jörg Kreowski,
Joseph A. Goguen,
1981,
Program Specification.
Hartmut Ehrig,
Hans-Jörg Kreowski,
Gregor Engels,
1998
.
Hartmut Ehrig,
Julia Padberg,
Michael Goedicke,
2001,
Trans. SDPS.
Manfred Nagl,
Hartmut Ehrig,
Grzegorz Rozenberg,
1986,
Lecture Notes in Computer Science.
Hartmut Ehrig,
Bernd Mahr,
1990
.
Hartmut Ehrig,
Berthold Hoffmann,
Ilse Schmiedecke,
1981,
International Workshop on Graph-Theoretic Concepts in Computer Science.
Hartmut Ehrig,
Julia Padberg,
2002
.
Hartmut Ehrig,
Dean Jacobs,
Michael Löwe,
1991,
TAPSOFT, Vol.2.
Hartmut Ehrig,
Ingo Claβen,
Dietmav Wolz,
1993
.
Hartmut Ehrig,
Gregor Engels,
Grzegorz Rozenberg,
1994
.
Hartmut Ehrig,
Giorgio Levi,
Ugo Montanari,
1987
.
Hartmut Ehrig,
Juan de Lara,
Gabriele Taentzer,
2004,
FASE.
Hartmut Ehrig,
Ulrike Golas,
Claudia Ermel,
2011,
Electron. Commun. Eur. Assoc. Softw. Sci. Technol..
Hartmut Ehrig,
Bernd Mahr,
1985
.
Hartmut Ehrig,
Claudia Ermel,
Karsten Ehrig,
2006,
Electron. Commun. Eur. Assoc. Softw. Sci. Technol..
Hartmut Ehrig,
Rainer Mackenthun,
Stefan Mann,
2000
.
Hartmut Ehrig,
Hans-Jörg Kreowski,
Peter Padawitz,
1980,
Symposium on Programming.
Hartmut Ehrig,
Ulrike Golas,
Jochen Pfalzgraf,
2012,
Journal of Superconductivity and Novel Magnetism.
Hartmut Ehrig,
Hans-Jörg Kreowski,
Werner Fey,
1980,
Software Engineering.
Hartmut Ehrig,
Fernando Orejas,
Ingo Claßen,
1992,
Comput. J..
Hartmut Ehrig,
Claudia Ermel,
Roswitha Bardohl,
2003,
Petri Net Technology for Communication-Based Systems.
Hartmut Ehrig,
Wolfgang Kühnel,
W. Kühnel,
1979,
RAIRO Theor. Informatics Appl..
Reiko Heckel,
Hartmut Ehrig,
Andrea Corradini,
2001,
CONCUR.
Hartmut Ehrig,
Francesca Rossi,
Ugo Montanari,
1994,
TAGT.
Hartmut Ehrig,
Ulrike Golas,
Fernando Orejas,
2008,
Electron. Notes Theor. Comput. Sci..
Hartmut Ehrig,
Claudia Ermel,
Karsten Ehrig,
2009,
Electron. Commun. Eur. Assoc. Softw. Sci. Technol..
Hartmut Ehrig,
Fernando Orejas,
2001,
Electron. Notes Theor. Comput. Sci..
Hartmut Ehrig,
2004,
Bull. EATCS.
Hartmut Ehrig,
Hans-Jörg Kreowski,
Andrea Maggiolo-Schettini,
1978,
MFCS.
Hartmut Ehrig,
Frank Hermann,
Andrea Corradini,
2010,
Electron. Commun. Eur. Assoc. Softw. Sci. Technol..
Semantical Correctness and Completeness of Model Transformations Using Graph and Rule Transformation
Hartmut Ehrig,
Claudia Ermel,
H. Ehrig,
2008,
ICGT.
Hartmut Ehrig,
Fernando Orejas,
2002,
Electron. Notes Theor. Comput. Sci..
Hartmut Ehrig,
Bernd Mahr,
1985
.
Hartmut Ehrig,
Hans-Jörg Kreowski,
Horst Herrlich,
1989,
Lecture Notes in Computer Science.
Hartmut Ehrig,
Ulrike Golas,
Fernando Orejas,
2010
.
Hartmut Ehrig,
Claudia Ermel,
Fernando Orejas,
2011
.
Hartmut Ehrig,
Fernando Orejas,
Leen Lambers,
2008,
Electron. Notes Theor. Comput. Sci..
Hartmut Ehrig,
Bernd Mahr,
Jacques Loeckx,
1986,
Bull. EATCS.
Hartmut Ehrig,
Gregor Engels,
Grzegorz Rozenberg,
1999
.
Hartmut Ehrig,
Claudia Ermel,
Julia Padberg,
2007,
FASE.
Hartmut Ehrig,
Ingo Claβen,
Dietmav Wolz,
1993
.
Hartmut Ehrig,
Gunnar Schröter,
H. Ehrig,
2000,
Bull. EATCS.
Hartmut Ehrig,
2002,
Bull. EATCS.
Hartmut Ehrig,
Gabriele Taentzer,
Julia Padberg,
2006
.
Hartmut Ehrig,
Francesco Parisi-Presicce,
Martin Große-Rhode,
1990,
Theor. Comput. Sci..
Hartmut Ehrig,
Barry K. Rosen,
B. Rosen,
1980,
Theor. Comput. Sci..
Hartmut Ehrig,
Bernd Mahr,
1990
.
Hartmut Ehrig,
Claudia Ermel,
Roswitha Bardohl,
2001
.
Hartmut Ehrig,
Ugo Montanari,
Paolo Baldan,
1999
.
Michael A. Arbib,
Hartmut Ehrig,
M. Arbib,
1990,
Bull. EATCS.
Hartmut Ehrig,
Herbert Edelsbrunner,
Yuri Gurevich,
1993
.
Reiko Heckel,
Hartmut Ehrig,
Fernando Orejas,
2002,
Mathematical Structures in Computer Science.
Hartmut Ehrig,
Claudia Ermel,
Maria Maximova,
2013
.
Hartmut Ehrig,
K.-D. Kiermeier,
H.-J. Kreowski,
1974
.
Hartmut Ehrig,
2000,
Bull. EATCS.
Hartmut Ehrig,
Hans-Jörg Kreowski,
Horst Herrlich,
1989,
Categorial Methods in Computer Science.
Hartmut Ehrig,
Bernd Mahr,
1990
.
Hartmut Ehrig,
Fernando Orejas,
Elvira Pino,
1997,
Theor. Comput. Sci..
Hartmut Ehrig,
1985
.
Hartmut Ehrig,
Hans-Jörg Kreowski,
Peter Padawitz,
1978,
ICALP.
Hartmut Ehrig,
James W. Thatcher,
Eric G. Wagner,
1983,
ICALP.
Hartmut Ehrig,
Bernd Mahr,
2001,
Current Trends in Theoretical Computer Science.
Hartmut Ehrig,
Fernando Orejas,
Benjamin Braatz,
2004,
Software & Systems Modeling.
Hartmut Ehrig,
Julia Padberg,
J. Padberg,
2001,
Unifying Petri Nets.
Hartmut Ehrig,
Gabriele Taentzer,
Ulrike Golas,
2007,
Bull. EATCS.
Hartmut Ehrig,
Frank Hermann,
Fernando Orejas,
2012,
FASE.
Hartmut Ehrig,
Arend Rensink,
Andy Schürr,
2010
.
Hartmut Ehrig,
Ugo Montanari,
Grzegorz Rozenberg,
1999
.
Hartmut Ehrig,
1991
.
Hartmut Ehrig,
Martin Große-Rhode,
Stefan Mann,
2000,
Bull. EATCS.
Hartmut Ehrig,
Julia Padberg,
Leila Ribeiro,
1992,
COMPASS/ADT.
Hartmut Ehrig,
Francesco Parisi-Presicce,
Magdalena Gajewsky,
1999
.
Hartmut Ehrig,
Frank Hermann,
Christoph Sartorius,
2009,
Electron. Commun. Eur. Assoc. Softw. Sci. Technol..
Hartmut Ehrig,
Fernando Orejas,
Elvira Pino,
2001,
WADT.
Hartmut Ehrig,
Benjamin Braatz,
Manfred W. Padberg,
2002
.
Hartmut Ehrig,
Grzegorz Rozenberg,
Julia Padberg,
2006,
Electron. Commun. Eur. Assoc. Softw. Sci. Technol..
Hartmut Ehrig,
Giorgio Levi,
Ugo Montanari,
1987
.
Hartmut Ehrig,
Ulrike Golas,
Frank Hermann,
2009,
Bull. EATCS.
Hartmut Ehrig,
Jirí Adámek,
Vera Trnková,
1980,
Kybernetika.
Hartmut Ehrig,
Hans-Jörg Kreowski,
H. Kreowski,
1980,
Inf. Syst..
Hartmut Ehrig,
Ulrike Golas,
Frank Hermann,
2010,
Bull. EATCS.
Hartmut Ehrig,
Barbara König,
B. König,
2004,
FoSSaCS.
Dániel Varró,
Hartmut Ehrig,
Gabriele Taentzer,
2006,
ICGT.
Hartmut Ehrig,
Hans-Jörg Kreowski,
Gregor Engels,
1999
.
Hartmut Ehrig,
Martin Große-Rhode,
H. Ehrig,
1989,
REX Workshop.
Hartmut Ehrig,
H. Ehrig,
1976
.
Hartmut Ehrig,
Francesca Rossi,
Ugo Montanari,
1993,
Dagstuhl Seminar on Graph Transformations in Computer Science.
Hartmut Ehrig,
Annegret Habel,
Ulrike Golas,
2014,
Mathematical Structures in Computer Science.
Hartmut Ehrig,
Artur Boronat,
Frank Hermann,
2013,
Electron. Commun. Eur. Assoc. Softw. Sci. Technol..
Hartmut Ehrig,
Frank Hermann,
2008,
Bull. EATCS.
Hartmut Ehrig,
2003
.
Hartmut Ehrig,
Ulrike Golas,
Frank Hermann,
2009,
MoDELS.
Hartmut Ehrig,
Claudia Ermel,
Kathrin Hoffmann,
2009,
2009 IEEE Symposium on Visual Languages and Human-Centric Computing (VL/HCC).
Hartmut Ehrig,
Fernando Orejas,
Rosa M. Jiménez,
1995,
Mathematical Structures in Computer Science.
Hartmut Ehrig,
Gabriele Taentzer,
Frank Hermann,
2007,
FASE.
Hartmut Ehrig,
Barry K. Rosen,
1977,
ICALP.
Reiko Heckel,
Hartmut Ehrig,
Andrea Corradini,
1997,
Handbook of Graph Grammars.
Hartmut Ehrig,
Gabriele Taentzer,
Ulrike Prange,
1992
.
Hartmut Ehrig,
Rolf Niedermeier,
Falk Hüffner,
2012,
De Computis.
Hartmut Ehrig,
Frank Hermann,
Claudia Ermel,
2009,
Bull. EATCS.
Hartmut Ehrig,
Hans-Jörg Kreowski,
H. Kreowski,
1983,
Theor. Comput. Sci..
Hartmut Ehrig,
Ralf-Detlef Kutsche,
Claudia Pons,
1999,
German-Argentinian Workshop on Information Technology.
Hartmut Ehrig,
Fernando Orejas,
1994
.
Hartmut Ehrig,
Frank Hermann,
Christoph Brandt,
2007
.
Hartmut Ehrig,
Roswitha Bardohl,
2003,
Electron. Notes Theor. Comput. Sci..
Hartmut Ehrig,
K.-D. Kiermeier,
H.-J. Kreowski,
1974
.
Hartmut Ehrig,
Bernd Mahr,
1990
.
Hartmut Ehrig,
H. Ehrig,
1986,
Graph-Grammars and Their Application to Computer Science.
Hartmut Ehrig,
Martin Große-Rhode,
2001,
Informatik Forschung und Entwicklung.
Hartmut Ehrig,
2006,
Bull. EATCS.
Hartmut Ehrig,
1994,
Bull. EATCS.
Hartmut Ehrig,
Gregor Engels,
H. Ehrig,
1993
.
Hartmut Ehrig,
Ulrike Golas,
Claudia Ermel,
2008,
FASE.
Hartmut Ehrig,
Hans-Jörg Kreowski,
Herbert Weber,
1979,
Formale Modelle für Informationssysteme.
Hartmut Ehrig,
Fernando Orejas,
1998,
Bull. EATCS.
Hartmut Ehrig,
Francesca Rossi,
Ugo Montanari,
1990,
Graph-Grammars and Their Application to Computer Science.
Hartmut Ehrig,
Francesca Rossi,
Ugo Montanari,
1993,
Dagstuhl Seminar on Graph Transformations in Computer Science.
Hartmut Ehrig,
Volker Claus,
Grzegorz Rozenberg,
1978,
Lecture Notes in Computer Science.
Hartmut Ehrig,
Horst Herrlich,
1988,
Categorial Methods in Computer Science.
Hartmut Ehrig,
Arend Rensink,
Andy Schürr,
2010
.
Hartmut Ehrig,
Hans-Jörg Kreowski,
Horst Herrlich,
1988
.
Hartmut Ehrig,
Leen Lambers,
Paolo Baldan,
2008,
ICGT.
Hartmut Ehrig,
Grzegorz Rozenberg,
Julia Padberg,
2002
.
Hartmut Ehrig,
Michael Löwe,
1993,
Appl. Categorical Struct..
Hartmut Ehrig,
Bernd Mahr,
1995,
Bull. EATCS.
Reiko Heckel,
Hartmut Ehrig,
Andrea Corradini,
1997,
MFCS.
Manfred Nagl,
Hartmut Ehrig,
Grzegorz Rozenberg,
1982,
Lecture Notes in Computer Science.
Hartmut Ehrig,
Claudia Ermel,
Maria Maximova,
2011,
Electron. Commun. Eur. Assoc. Softw. Sci. Technol..
Hartmut Ehrig,
Fernando Orejas,
Benjamin Braatz,
2003,
Electron. Notes Theor. Comput. Sci..
Hartmut Ehrig,
Hans-Jörg Kreowski,
James W. Thatcher,
1983,
ADT.
Hartmut Ehrig,
Krzysztof Czarnecki,
Frank Hermann,
2011,
MODELS'11.
Hartmut Ehrig,
Annegret Habel,
Ulrike Golas,
2010,
ICGT.
Hartmut Ehrig,
Peter Pepper,
1993,
Current Trends in Theoretical Computer Science.
Hartmut Ehrig,
Julia Padberg,
A. Merten,
1997,
Bull. EATCS.
Hartmut Ehrig,
Michael Löwe,
1993,
Theor. Comput. Sci..
Hartmut Ehrig,
Fernando Orejas,
Elvira Pino,
1994,
MFCS.
Hartmut Ehrig,
Ulrike Golas,
Frank Hermann,
2015
.
Hartmut Ehrig,
G. Taentzer Eds,
H. Ehrig,
1996
.
Hartmut Ehrig,
Ugo Montanari,
Andrea Corradini,
1994,
TAGT.
Hartmut Ehrig,
Fernando Orejas,
Julia Padberg,
1999,
Bull. EATCS.
Hartmut Ehrig,
Hans Jürgen Schneider,
2004,
Acta Informatica.
Hartmut Ehrig,
Ugo Montanari,
Francesco Parisi-Presicce,
1986,
Graph-Grammars and Their Application to Computer Science.
Hartmut Ehrig,
Julia Padberg,
Kathrin Hoffmann,
2007,
Bull. EATCS.
Hartmut Ehrig,
Hans-Jörg Kreowski,
Grzegorz Rozenberg,
1991
.
Hartmut Ehrig,
Fernando Orejas,
Leen Lambers,
2006,
Electron. Notes Theor. Comput. Sci..
Hartmut Ehrig,
Grzegorz Rozenberg,
Julia Padberg,
2001,
Unifying Petri Nets.
Hartmut Ehrig,
Francesco Parisi-Presicce,
H. Ehrig,
1993,
AMAST.
Hartmut Ehrig,
Ulrike Golas,
Ulrike Golas,
2008,
ICGT.
Hartmut Ehrig,
Francesco Parisi-Presicce,
1990,
ADT.
Hartmut Ehrig,
Ulrike Golas,
Fernando Orejas,
2009,
Formal Aspects of Computing.
Hartmut Ehrig,
Artur Boronat,
Frank Hermann,
2013
.
Hartmut Ehrig,
Barry K. Rosen,
B. Rosen,
1978,
MFCS.
Hartmut Ehrig,
Fernando Orejas,
F. Orejas,
1994,
Bull. EATCS.
Hartmut Ehrig,
Francesca Rossi,
Ugo Montanari,
1994,
PROCOMET.
Hartmut Ehrig,
Martin Große-Rhode,
Uwe Wolter,
1998,
Appl. Categorical Struct..
Hartmut Ehrig,
Maurice Nivat,
James W. Thatcher,
1985,
Lecture Notes in Computer Science.
Hartmut Ehrig,
Annegret Habel,
H. Ehrig,
1986
.
Hartmut Ehrig,
Ulrike Golas,
Fernando Orejas,
2008,
FASE.
Hartmut Ehrig,
Barbara König,
Guilherme Rangel,
2007,
Electron. Commun. Eur. Assoc. Softw. Sci. Technol..
Reiko Heckel,
Hartmut Ehrig,
Dénes Bisztray,
2008,
FASE.
Hartmut Ehrig,
Annegret Habel,
Francesco Parisi-Presicce,
2002,
GETGRATS Closing Workshop.
Hartmut Ehrig,
Juan de Lara,
Gabriele Taentzer,
2007,
Theor. Comput. Sci..
Hartmut Ehrig,
Fernando Orejas,
1998
.
Hartmut Ehrig,
Julia Padberg,
J. Padberg,
2003,
Lectures on Concurrency and Petri Nets.
Hartmut Ehrig,
Edward K. Blum,
Francesco Parisi-Presicce,
1996,
MFCS.
Hartmut Ehrig,
Claudia Ermel,
Frank Hermann,
2008
.
Hartmut Ehrig,
Ulrike Golas,
Ulrike Golas,
2008,
Bull. EATCS.
Hartmut Ehrig,
Michael Löwe,
Martin Korff,
1990,
Graph-Grammars and Their Application to Computer Science.
Hartmut Ehrig,
H. Ehrig,
2002,
Bull. EATCS.
Hartmut Ehrig,
Frank Hermann,
Andrea Corradini,
2010
.
Hartmut Ehrig,
Frank Hermann,
Christoph Brandt,
2013,
J. Vis. Lang. Comput..
Hartmut Ehrig,
Bernd Mahr,
1996,
Bull. EATCS.
Hartmut Ehrig,
Hans-Jörg Kreowski,
H. Kreowski,
1976,
J. Comput. Syst. Sci..
Hartmut Ehrig,
Ulrike Golas,
Benjamin Braatz,
2014,
Math. Struct. Comput. Sci..
Reiko Heckel,
Hartmut Ehrig,
Dénes Bisztray,
2009,
WADS.
Hartmut Ehrig,
Ulrike Golas,
Fernando Orejas,
2006,
ICGT.
Hartmut Ehrig,
Bernd Mahr,
1985
.
Reiko Heckel,
Hartmut Ehrig,
Andrea Corradini,
2007,
Log. Methods Comput. Sci..
Hartmut Ehrig,
Thomas Engel,
Frank Hermann,
2014,
ICMT.
Antonio Bucchiarone,
Hartmut Ehrig,
Claudia Ermel,
2015,
Software, Services, and Systems.
Reiko Heckel,
Hartmut Ehrig,
Ulrike Golas,
2012,
ICGT.
Hartmut Ehrig,
Bernd Mahr,
1985
.
Hartmut Ehrig,
Barry K. Rosen,
1978,
Graph-Grammars and Their Application to Computer Science and Biology.
Hartmut Ehrig,
Julia Padberg,
Kathrin Hoffmann,
2008,
Electron. Commun. Eur. Assoc. Softw. Sci. Technol..
Hartmut Ehrig,
Gerhard Goos,
Juris Hartmanis,
2004,
Lecture Notes in Computer Science.
Hartmut Ehrig,
Annegret Habel,
Ulrike Golas,
2004,
ICGT.
Hartmut Ehrig,
Fernando Orejas,
Julia Padberg,
2010,
Fundam. Informaticae.
Hartmut Ehrig,
1982,
ADT.
Hartmut Ehrig,
2003,
Electron. Notes Theor. Comput. Sci..
Hartmut Ehrig,
Julia Padberg,
J. Padberg,
1999
.
Hartmut Ehrig,
Fernando Orejas,
1994
.
Hartmut Ehrig,
2010
.
Hartmut Ehrig,
Annegret Habel,
Leen Lambers,
2010,
Electron. Commun. Eur. Assoc. Softw. Sci. Technol..
Hartmut Ehrig,
Karl Wilhelm Tischer,
1975,
J. Comput. Syst. Sci..
Hartmut Ehrig,
2005,
Fundam. Informaticae.
Reiko Heckel,
Hartmut Ehrig,
Francesca Rossi,
1997,
Handbook of Graph Grammars.
Towards algebraic data types grammars: a junction between algebraic specification and graph grammars
Hartmut Ehrig,
Annegret Habel,
Paul Boehm,
1986,
Bull. EATCS.
Reiko Heckel,
Hartmut Ehrig,
Gregor Engels,
1997,
Int. J. Softw. Eng. Knowl. Eng..
Hartmut Ehrig,
Roswitha Bardohl,
R. Bardohl,
1998,
TAGT.
Hartmut Ehrig,
2006,
Bull. EATCS.
Hartmut Ehrig,
Fernando Orejas,
Julia Padberg,
2004,
FESCA@ETAPS.
Hartmut Ehrig,
Grzegorz Rozenberg,
Julia Padberg,
2006,
ICGT.
Hartmut Ehrig,
Barbara König,
B. König,
2006,
Mathematical Structures in Computer Science.
Hartmut Ehrig,
Ugo Montanari,
Grzegorz Rozenberg,
2006
.
Hartmut Ehrig,
Thomas Engel,
Frank Hermann,
2013,
AMT@MoDELS.
Hartmut Ehrig,
Julia Padberg,
Kathrin Hoffmann,
2009,
Electron. Notes Theor. Comput. Sci..
Hartmut Ehrig,
Bernd Mahr,
1990
.
Hartmut Ehrig,
Bernd Mahr,
1997,
TAPSOFT.
Hartmut Ehrig,
Hans-Jörg Kreowski,
Fernando Orejas,
1995,
Bull. EATCS.
Hartmut Ehrig,
Fernando Orejas,
Klaus P. Jantke,
1990
.
Overview of Formal Concepts for Model Transformations Based on Typed Attributed Graph Transformation
Hartmut Ehrig,
Karsten Ehrig,
H. Ehrig,
2006,
GRaMoT@GPCE.
Hartmut Ehrig,
1993,
Current Trends in Theoretical Computer Science.
Hartmut Ehrig,
Ulrike Golas,
Julia Padberg,
2008,
Concurrency, Graphs and Models.
Hartmut Ehrig,
Francesco Parisi-Presicce,
Dean Jacobs,
1989,
Theor. Comput. Sci..
Hartmut Ehrig,
Hans-Jörg Kreowski,
Peter Padawitz,
1980,
ICALP.
Hartmut Ehrig,
José Meseguer,
Martin Wirsing,
2021
.
Bruno Courcelle,
Hartmut Ehrig,
Grzegorz Rozenberg,
2021
.
Hartmut Ehrig,
Gregor Engels,
Fernando Orejas,
2021
.
Hartmut Ehrig,
Ugo Montanari,
Grzegorz Rozenberg,
2021
.
Hartmut Ehrig,
Fernando Orejas,
Martin Wirsing,
2021
.
Hartmut Ehrig,
Ulrike Prange,
2005
.
Hartmut Ehrig,
Barbara König,
Guilherme Rangel,
2007
.
Hartmut Ehrig,
Barbara König,
B. König,
2004
.
Hartmut Ehrig,
Frank Hermann,
Fernando Orejas,
2010
.
Hartmut Ehrig,
Claudia Ermel,
Maria Maximova,
2011
.
Hartmut Ehrig,
Ugo Montanari,
Andrea Corradini,
1994
.
Hartmut Ehrig,
Francesco Parisi-Presicce,
Werner Fey,
1987
.
Reiko Heckel,
Hartmut Ehrig,
Gregor Engels,
1998
.
Hartmut Ehrig,
Claudia Ermel,
2008
.
Hartmut Ehrig,
Juan de Lara,
Olga Runge,
2003
.
Hartmut Ehrig,
Gabriele Taentzer,
Ulrike Prange,
2004
.
Hartmut Ehrig,
Annegret Habel,
Julia Padberg,
2004
.
Reiko Heckel,
Hartmut Ehrig,
Gregor Engels,
1999
.
Hartmut Ehrig,
Annegret Habel,
Francesco Parisi-Presicce,
2004
.
Hartmut Ehrig,
Hans-Jörg Kreowski,
Fernando Orejas Valdés,
1997
.
Hartmut Ehrig,
Gregor Engels,
Grzegorz Rozenberg,
2000
.
Hartmut Ehrig,
Claudia Ermel,
Maria Maximova,
2012
.
Hartmut Ehrig,
H. Ehrig,
2004
.