Land and forest : projecting demand and managing encrochment - research report no. 1 1990 Panayotou, Theodore | Parasuk, Chartchai |
Natural resources for a sustainable future : spreading the benifits - synthesis paper no. 1 1990 Phantumvanit, Dhira | Panayotou, Theodore |
Sri Lanka, biological diversity and tropical forests : status and recomended conservation needs 1991 Jansen, Malcolm A. B. | Loken, Eric R. |
Sustainable urban and industrial environmental management review : a review of the present status with recommendations for future directions 1991 Capistrano, Ana Doris | Dickinson, Joshua C. |