Conservation of biodiversity for sustainable development 1992 Sandlund, O. T. (Odd Terje) | Hindar, K. | Brown, A. H. D. |
Challenges in the conservation of biological resources : a practitioner's guide 1991 Decker, Daniel J. |
Trees of life : saving tropical forests and their biological wealth 1991 Miller, Kenton | Tangley, Laura |
An agenda of science for environment and development into the 21st century : based on a conference held in Vienna, Austria in November 1991 1992 Dooge, James |