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1由 Ferguson, N. (Nancy), 1944-
出版 1979Tucson, Arizona : Arid Lands Natural Resources Committee, University of Arizona, 1979.66 p. : ill.“...Sahel, documents and dissertations ;...”
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2由 Matlock W. G.
出版 1979Tucson, Arizona : Arid Lands Natural Resources Committee, University of Arizona, 1979.26 p. : maps.“...Sahel, documents and dissertations ;...”
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3由 Urry, J. B.
出版 1979Tucson, Arizona : Arid Lands Natural Resources Committee, University of Arizona, 1979.23 p., [28] leaves of plates : ill., maps.“...Sahel, documents and dissertations ;...”
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4由 Urry, J. B.
出版 1979Tucson, Arizona : Arid Lands Natural Resources Committee, Université d'Arizona, 1979.26 p., [28] leaves of plates : ill., maps.“...Sahel, documents and dissertations ;...”
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5由 Matlock W. G.
出版 1979Tucson, Arizona : Arid Lands Natural Resources Committee, Université d'Arizona, 1979.28 p. : maps.“...Sahel, documents and dissertations ;...”
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6由 Ferguson, N. (Nancy), 1944-
出版 1979Tucson, Arizona : Arid Lands Natural Resources Committee, Université d'Arizona, 1979.77 p. : ill.“...Sahel, documents and dissertations ;...”
