Il parco del Gran Paradiso : uomini, storie e problemi del parco nazionale
1976
Zoppé, Leandro |
Rural environment
Development and environment in Peninsular Malaysia
1982
Aiken, S. Robert |
Leigh, Colin H. |
Leinbach, Thomas R. |
Moss, Michael R. |
The save study : relationships between the environment and basic needs satisfaction in the Save Catchment, Zimbabwe
1989
Campbell, B. M. |
Du Toit, R. F. |
Attwell, C. A. M. |
Environmentally sound small-scale water projects : guidelines for planning
1981
Tillman, Gus |
Environmentally sound small-scale forestry projects : guidelines for planning
1983
Ffolliott, Peter F |
Thames, John L. |