The bioluminescent bays of Puerto Rico : a plan for their preservation and use
1968
Nature conservation
Conservacion ambiental en El Salvador : recomendaciones para un programa de accion nacional
Daugherty, Howard E. |
The myth of wild Africa : conservation without illusion
1992
Adams, Jonathan S. |
McShane, Thomas |
Advisory report on European nature policy : views on the need for strategic research in the European context
1993
Gleichman-Verheijen, E. C. |
Langemeijer, T. H. |
Plan and policy for a system of national parks and protected areas
1988
Huber, Richard |
Vincent, George |
MacFarland, Craig |
Meganck, Richard Albert |
Lancaster Sound Regional Study : background report
1980
Pelletier, B. R. |
McKay, D. C. |
Maxwell, J. B. |
Sowden, J. B. |
Smiley, B. D. |
Münchner Alpenschutzkonferenz der Friedrich-Ebert-Stiftung
1987
Nahe-Mann, Brigitte |