Le Portugal et la protection de la nature
1970
Lagrifa Mendes, J. |
Conservation policy
The capacity for wonder : preserving national parks
1994
Lowry, William R. |
Ambiente : piano e progetti : recupero, valorizzazione e sviluppo dell ricorse naturalistiche della Campania
1988
Cerami, Giovanni |
The habitats directive : time for action
1992
Hatton, Carol |
Coastal 2000 recommendations for a resource management strategy for Sri Lanka's coastal region
1992
Olsen, Stephen B. |
Sadacharan, D. |
Samarakoon, J. I. |
White, Alan T. |
Strategy for environmental protection and management in Sri Lanka
1982
Hubbard, Fred H. |