Crocodiles as a resource for the tropics
1983
Ayensu, Edward S. |
Campbell, H. W. |
Ruskin, F. R. |
Ayensu, Edward S.
Tropical forest ecosystems in Africa and South America : a comparative review
1973
Meggers, Betty J. |
Ayensu, Edward S. |
Duckworth, W. Donald |
Endangered and threatened plants of the United States
1978
Ayensu, Edward S. |
DeFilipps, Robert A. |