Overview of conservation in selected south and southeast Asian countries 1985 Talbot, Lee M. (Lee Merriam) |
Towards a zoning policy for the conservation and sustainable utilisation of the mountain environments of South Africa Blignaut, Peter Erle |
The world environment 1972 - 1992 : two decades of challenge 1992 Tolba, Mostafa Kamal | El-Kholy, Osama A. | Holdgate, Martin W. |
Environmental planning and management : proceedings of a Commonwealth Science Council workshop held at the CSIRO Division of Water and Land Resources, Canberra, Australia, 7-14 May 1984 1985 Basinski, J. J. | Cocks, K. D. |
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. |