Arten und Biotopschutz : Bericht über das internationale Symposium 27.03.-29.03. 1990 im Garmisch-Partenkirchen
1991
Conservation strategies
Conservation of the environment in Ireland
Lang, John Temple |
The Philippine national conservation strategy : a strategy for sustainable development
1984
White, Bruce E. |
Conservation for survival : a conservation strategy for resource self-sufficiency in the Khumbu region of Nepal
1985
Sherpa, Mingma Norbu |
Background information relating to environmental guidelines for zones in gulf of Thailand requiring regulatory measures for protection of environmental resources and values
1976
Ludwig, H. F. |
A threatened species conservation strategy for Australia : policies for the future
1986
Kennedy, Michael |
Burton, Ross |
Scientific basis for soil protection in the european community
1987
Barth, H. |
L'Hermite, P. |