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Desertification: Process, Problems, PerspectivesUniversity of Arizona. Arid/Semi-Arid Natural Resources Program. January 1976 (has links)
Papers presented during a 14 week seminar series, November 1975-April 1976.
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A systems analysis of pastoralism in the West African Sahel.Picardi, Anthony Charles January 1975 (has links)
Thesis. 1975. Sc.D.--Massachusetts Institute of Technology. Dept. of Civil Engineering. / Vita. / Bibliography: leaves 241-250. / Sc.D.
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