Leontopithecus population analysis workshop report
1990
Ballou, J. D. |
Padua, C. V. |
Seal, Ulysses S. |
Endangered species
Criteria for listing species on the CITES appendices and the IUCN Red List : a technical workshop
1992
Elephant action plan
1989
Puerto Rican parrot, Amazona vittata. Population viability analysis and recommendations
1989
Flesness, Nathan R. |
Lacy, R. C. |
Seal, Ulysses S. |
Introduction for the Tortoise Group report
1981
Scott, Peter |
Rare and endangered mammals of Chile
1974
Miller, Sterling |
Rottmann, Jürgen |
Taber, Richard D. |
Comment on the proposed listing of the African elephant on the threatened species list and possible subsequent regulation of ivory
1978
Enright, Kenneth N. |