Desertification : it's causes and consequences / compiled and edited by the Secretariat of the United Nations Coference on Desertification, Nairobi, Kenya, 29 August to 9 September, 1977. - Oxford : Pergamon Press, 1977. - v, 448 p. : ill. ; 25 cm.

Bibliography: p. 446-448.

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Desertification.