Técnicas para el manejo de la vicuña
1987
Torres, Hernán |
IUCN
Vingt-huitième réunion de la Commission des parcs nationaux et des aires protégées, Parc national du "W", Niger, 18-22 mars 1987 : compte rendu
1987
Cloutier, Antoine |
Dufresne, Alain |
Thorsell, J. W. |
Dolphins, porpoises and whales : an action plan for the conservation of biological diversity, 1988-1992
1989
Perrin, W. F. |
Protected landscapes : summary proceedings of an international symposium, Lake District, United Kingdom, 5-10 October 1987
1988
Foster, John |
The palms of the new world : a conservation census
1988
Dransfield, J. |
Johnson, Dennis Victor |
Synge, Hugh |
Antelopes : global survey and regional action plans. Part 1 : East and Northeast Africa
1988
East, R. (Rod) |
Indigenous peoples, environmental protection and sustainable development
1988
Davis, Shelton H. |
Flanders, L. Stephanie |