Lacandonia : el último refugio
1991
Protected areas
People, parks and wildlife : guidelines for public participation in wildlife conservation : case studies from Kenya
1988
Berger, Dhyani J. |
Managing marine protected areas : an action plan
1989
Foster, Nancy |
Lemay, Michele H. |
Earthcare : global protection of natural areas : program-journal
1975
Fauerbach, Vivien E. |
The meaning of wilderness to science : proceedings
1960
Brower, David |
The national parks
1970
Tilden, Freeman |
Tribal peoples and development issues : a global perspective
1988
Bodley, John H. |
Protecting internationally important bird sites : a review of the EEC Special Protection network in Great Britain
1990
Stroud, D. A. (David A.) |
Mudge, G. P. |
Pienkowski, M. W. |
Astrakhanskiy zapovyednik
1982
Bondaryev, D. V. |
Mashkov, B. K. |
Rusanov, G. M. |