Biotic provinces of the world : further development of a system for defining and classifying natural regions for purposes of conservation
1974
Protected areas
A system for defining and classifying natural regions for purposes of conservation : a progress report
1973
Dasmann, Raymond Fredric |
Classification and use of protected natural and cultural areas : a report
1973
Dasmann, Raymond Fredric |
Parks for life : enhancing the role of protected areas in sustaining society
1991
McNeely, Jeffrey A. |
Bilan régional : Europe
1992
Synge, Hugh |
Regional reviews
1992
Síntesis de talleres
1992