IUCN plant information programme
1987
Synge, Hugh |
Heywood, Vernon |
Endangered species
Insects and other invertebrates as candidates for the Bern Convention
1986
Collins, N. Mark |
Wells, Sue |
Economic botany and threatened species of the palm family in Latin America and the Caribbean
1986
Johnson, Dennis Victor |
Read, Robert W. |
Balick, Michael J. |
First preliminary draft of the list of rare, threatened and endemic plants for the countries of North Africa and the Middle East
1980
Lucas, Gren |
A palanca negra gigante e a consevação da fauna em Angola
1982
Estes, Richard D. |
Threatened plants, amphibians and reptiles, and mammals [excluding marine species and bats] of the European Economic Community
1982
Leon, Christine |
Groombridge, Brian |
Wright, Lissie |
Jenkins, Martin |
Thornback, Jane |
Management of the American alligator
1971
Chabreck, Robert H. |
Estado actual de la vicuña y recomendaciones para su manejo
1971
Hofmann, Rudolf |
Zona marina y costera : las costas, vida marina, aprovechamiento, peligros actuales y zonas que merecen protección
1975
Hernández Otero, J.-M. |