Ausencia de San Francisco
Stutzin, Godofredo |
History
Presencia de San Francisco
1974
Stutzin, Godofredo |
Conservation in Africa : people, policies and practice
1989
Anderson, David |
Grove, Richard |
The sign of the flying goose : a guide to the national wildlife refuges
1965
Laycock, George |
Yosemite : the embattled wilderness
1990
Runte, Alfred |
The history of TPC [Treathened Plants Committee] and TPU [Threatened Plants Unit], 1970-1986 : a personal memoir
1987
Synge, Hugh |
Know-how, translating knowledge into actions : a case study of IUCN, the World Conservation Union headquarters
2001
Canning Wacker, Nadene |
L'Union internationale pour la conservation de la nature et de ses ressources 1948-1988
1989
Liamine, Nathalie |