A working system for classification of world vegetation
1973
IUCN
Classification and use of protected natural and cultural areas : a report
1973
Dasmann, Raymond Fredric |
Propositions pour la création du Parc national ivoirien de Taï : rapport d'une mission d'étude en Côte d'Ivoire
1973
Rahm, Urs |
Proposals for nature conservation in northern Greece : a report
1971
Hoffmann, Lukas |
Bauer, W. |
Müller, G. |
Annual report 1985
1986
Espacios sin habitantes? : parques nacionales de América del Sur
1992
Amend, Stephan |
Amend, Thora |
Parks for life : enhancing the role of protected areas in sustaining society
1991
McNeely, Jeffrey A. |