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Organisation and management of water supplies in tropical Africa
Sandford, Stephen, (1983)
Arid Lands in transition : Ed. by Harold E. Dregne
Dregne, H. E., (1970)
The problems of the Arid Zone : proceedings of the Paris Symposium
(1962)
Climate change scenarios for the Mediterranean: A basis for regional impact assessment
Goodess, Clare, (2000)
Allocation of land resources in semi-arid areas : a simulation based on the East African experience
Campbell, David J., (1978)
Climate change scenarios for the Mediterranean : a basis for regional impact assessment