Guatemala : proyecto de manejo y conservación de los recursos naturales renovables de la cuenca del Rio Chixoy 1991
Greenprints for the countryside : the story of Britain's national parks 1987 MacEwen, Ann | MacEwen, Malcolm |
Notes on the proposed Convention on the conservation of Antarctic marine living resources. Draft 1978
Preparation report on the Luangwa Integrated Resource Development project [LIRDP] 1985 Larsen, Thor | Lungu, Fidelis B. | Vedeld, Trond |
La conservation des ressources naturelles au service du développement socio-économique durable du Togo. Rapport de mission 1985 Portas, Pierre | Sournia, Gérard |
Conservation and development in Irian Jaya : a strategy for rational resource utilization 1984 Petocz, Ronald G. | Raspado, George P. |