R. Brassington,
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L. K. National W. Ratmalana,
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UNDTCD -New York, NY, US,
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« Impacts of urbanization of the Greater Cairo area on the ground water in the underlying aquifer », in
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UNDP -New York, NY, US, UNDTCD -New York, NY, US, et Nairobi, K. E. U. N. E. P. -,
« Transnational project on the major regional aquifer in North-east Africa : proceedings of the project workshop held in Khartoum, Sudan, 12th-14th December, 1987 ». United Nations Department of Technical Co-operation for Development, New York, NY, USA, p. 64 p.: fig., tab., 1988.