E. Koch
发表
M. Pimbert,
K. Ghimire,
E. Koch,
1997
.
J. Cock,
E. Koch,
John Cartwright,
1993,
African Studies Review.
C. Fabricius,
S. D. Turner,
Hector Magome,
2004
.
E. Koch,
G. D. Beer,
Sean Elliffe,
1998
.
E. Koch,
G. D. Beer,
Sean Elliffe,
1998
.
C. Fabricius,
Hector Magome,
E. Koch,
2001
.
C. Fabricius,
Hector Magome,
E. Koch,
2001
.