P. Hartel
发表
Grit Denker,
Hans-Dieter Ehrich,
Peter Hartel,
1996,
CAiSE.
Gunter Saake,
Thorsten Hartmann,
Udo W. Lipeck,
1993
.
Grit Denker,
Hans-Dieter Ehrich,
Peter Hartel,
1997,
Inf. Syst..
Peter Hartel,
Ralf Jungclaus,
R. Jungclaus,
1994,
ER.
Gunter Saake,
Thorsten Hartmann,
Peter Hartel,
1995,
DEXA.
Hans-Dieter Ehrich,
Peter Hartel,
H. Ehrich,
1996
.