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When the Sahara was green how our greatest desert came to be nork Williams, M. A. J.

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Desertification demographic evidence 1973-1983 report to the United Nations Environmental Programme Desertification Section. nork Caldwell, John C.

Desertification in the Sahelian and Sudanian zones of West Africa nork Gorse, Jean Eugene 1925-

Desertification control and renewable resource management in the Sahellian and Sudanian zones of West Africa

The political economy of land degradation pressure groups, foreign aid and the myth of man-made deserts. nork Morris, Julian

Dryland management the "desertification" problem. nork Nelson, Ridley

Case studies on desertification /prepared by Unesco/UNEP

Combating desertification in the Southern African region an updated regional assessment nork Darkoh, Michael B.K

Status of desertification and implementation of the United Nations plan of action to combat desertification

Interactions of desertification and climate nork Williams, M. A. J.