W. Ritter
发表
J. Tautz,
H. Beier,
K. Azzami,
2012,
Archives of Virology.
W. Ritter,
S. Rehm,
1989
.
E. Genersch,
P. Rosenkranz,
C. Otten,
2010,
Apidologie.
L. Raskin,
W. Ritter,
F. L. de los Reyes,
1997,
Applied and environmental microbiology.
D. Titěra,
D. D. de Graaf,
S. Pernal,
2006,
Letters in applied microbiology.
Romée van der Zee,
B. K. Nguyen,
Flemming Vejsnæs,
2010
.
J. Pettis,
P. Neumann,
W. Ritter,
2010,
Journal of economic entomology.
B. Lendl,
W. Ritter,
2006
.
J. Pettis,
Michael Duncan,
P. Neumann,
2008
.
P. Neumann,
W. Ritter,
2004
.
H. Hansen,
W. Ritter,
C. Brødsgaard,
1998
.
J. Pettis,
Michael Duncan,
A. Imdorf,
2011,
Apidologie.
J. Pettis,
P. Neumann,
P. Teal,
2009,
Journal of Pest Science.
W. Ritter,
M. Bartholdi,
A. Schwendemann,
1991
.
W. Ritter,
O. Boecking,
1993
.
W. Ritter,
S. Pätzold,
1989
.
W. Ritter,
H. Hoppe,
E. Stephen,
1989
.
W. Ritter,
1988
.
W. Ritter,
H. Hoppe,
1987
.
W. Ritter,
H. Roth,
1988
.
W. Ritter,
H. Hoppe,
1988
.
J. Pettis,
Michael Duncan,
C. Ulrichs,
2009,
Apidologie.
J. Tautz,
H. Beier,
K. Azzami,
2012,
Archives of Virology.
W. Ritter,
M. Jakob,
Meister Veit,
2000
.
W. Ritter,
K. Elgert,
B. Stützel,
1975
.
W. Ritter,
H. Hanni,
1960
.
H. Cantow,
W. Hull,
W. Ritter,
1978
.
J. Tautz,
V. Vlassov,
H. Gross,
2011,
Antiviral research.
W. Ritter,
M. Schäfer,
2014
.
R. Mülhaupt,
W. Ritter,
G. Bar,
1999
.
J. Held,
W. Kern,
W. Ritter,
2010,
Emerging infectious diseases.
W. Ritter,
2003
.
W. Ritter,
M. Otteni,
2004
.
G. Topolska,
W. Ritter,
N. Nowotny,
2002,
Applied and Environmental Microbiology.
W. Ritter,
G. Zinner,
W. Kliegel,
1966
.
W. Ritter,
Y. Conte,
M. Ellis,
2010,
Apidologie.
W. Ritter,
N. Nowotny,
T. Bakonyi,
2007,
Journal of invertebrate pathology.
N. White,
W. Ritter,
G. Watt,
1988,
The Journal of infectious diseases.
B. Lendl,
W. Ritter,
E. Rosenberg,
2013
.
J. Pettis,
P. Neumann,
W. Ritter,
2008,
Apidologie.
G. Topolska,
W. Ritter,
N. Nowotny,
2007,
Applied and Environmental Microbiology.
H. Hansen,
W. Ritter,
H. Brødsgaard,
2000
.
W. Ritter,
E. Hillesheim,
D. Bassand,
1996,
Experimental & Applied Acarology.
W. Ritter,
W. Koch,
1991,
Zentralblatt fur Veterinarmedizin. Reihe B. Journal of veterinary medicine. Series B.
W. Ritter,
1981
.
W. Ritter,
A. Gregorc,
2014
.
W. Ritter,
G. Peter,
F. Schröpl,
1971,
Archiv fur dermatologische Forschung.
W. Ritter,
Jeffery S. Pettis,
J. Pettis,
2021,
Encyclopedia of Social Insects.
W. Ritter,
V. Renninghoff,
1980
.
W. Ritter,
D. Jong,
2009
.
J. Pettis,
P. Neumann,
W. Ritter,
2011,
Apidologie.
W. Ritter,
M. Allsopp,
2014
.
W. Ritter,
G. Hayes,
2014
.
W. Ritter,
M. R. Chauzat,
2014
.
W. Ritter,
1988
.
K. Bienefeld,
N. Kezic,
W. Ritter,
2002
.
H. Hansen,
W. Ritter,
C. Brødsgaard,
2000
.