Bibliografia de los camelidos Sudamericanos
1974
Cardozo, Armando |
South America
Conservation of neotropical forests : working from traditional resource use
1992
Redford, Kent H. |
Padoch, Christine |
Neotropical wildlife use and conservation
1991
Robinson, John G. |
Redford, Kent H. |
Extinction is forever : the status of threatened and endangered species of plants in the Americas and their significance in ecosystems today and in the future
1977
Elias, Thomas S. |
Prance, Ghillean T. |
Report by the chairman to the december 1991 Participants' Meeting of the Global Environment Facility
1991
Hummingbirds and their flowers
1968
Grant, Karen A. |
Grant, Verne |
A selection of unpublished WWF project reports
1990
Stone, R. David |