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United Nations Conference on Desertification, technology and desertification: background document /

United Nations Conference on Desertification, technology and desertification: background document / Technology and Desertification: Background document. United Nations. - Nairobi, UNEP, 1977. - 122 p.: ill.; 29 cm.

At head of cover title; United Nations Conference on Desertification, 29 August--9 September 1977.

Scale ca. 1:25,000,000.


Arid regions--Congress.
Desertification--Congress.