G. Nikolaus
发表
G. Nikolaus,
1987
.
M. Gahr,
S. Klages,
B. Timmermann,
2020,
Molecular biology and evolution.
E. Yohannes,
D. Pearson,
H. Biebach,
2009,
Journal of Ornithology.
R. Whytock,
D. Ingram,
R. Buij,
2015,
Oryx.
R. Hutterer,
G. Nikolaus,
H. Dieterlen,
1992
.
E. Yohannes,
D. Pearson,
H. Biebach,
2009
.
R. Hutterer,
S. Ziegler,
G. Nikolaus,
2002,
Oryx.
David J. Pearson,
Herbert Biebach,
Gerhard Nikolaus,
2014
.
G. Nikolaus,
1983
.
G Nikolaus,
G. Nikolaus,
1981
.
D. Pearson,
G. Nikolaus,
1991
.
D. Pearson,
G. Nikolaus,
B. Raddatz,
2017
.
David J. Pearson,
Gerhard Nikolaus,
Elizabeth Yohannes,
2012
.