TY  - BOOK
AU  - Nievergelt,B.
TI  - Ibexes in an African environment: ecology and social system of the Walia ibex in the Simen Mountains, Ethiopia 
SN  - 3540105921
PY  - 1981///
CY  - Berlin
PB  - Springer-Verlag
KW  - Bouquetin
KW  - Mammals
KW  - Ethiopia
KW  - Simen Mountains
N1  - Bibliography: p.179-186
ER  -