Biodiversity guide to Pakistan
1991
Mallon, David P. |
Protected areas
Parks for life : report of the fourth World Congress on National Parks and Protected Areas, 10-21 February 1992
1993
McNeely, Jeffrey A. |
Parks and progress : protected areas and economic development in Latin America and the Caribbean
1993
Barzetti, Valerie |
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