TY  - BOOK
ED  - Rumbaugh, Duane M.
TI  - Evolution, ecology, behavior and captive maintainance
T2  - Gibbons and Siamang : a series of volumes on the lessen apes ; v.1
U1  - 599.882 
PY  - 1972///
CY  - Basel
PB  - S. Krager
ER  -