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1出版 1977[s.l. : s.n.], 1977.136, [68] p., [9] leaves of plates : maps.“...Sahel, documents and dissertations ;...”
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2出版 1977[s.l. : s.n.], 1977.31, [4] p., [14] leaves of plates : maps.“...Sahel, documents and dissertations ;...”
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3出版 1977[s.l. : s.n.], 1977.xiv, 215 p. in various pagings, [12] leaves of plates : maps.“...Sahel, documents and dissertations ;...”
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4出版 1977[s.l. : s.n.], 1977.180 p. in various pagings.“...Sahel, documents and dissertations ;...”
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5出版 1977[s.l. : s.n.], 1977.175, [2] p., [9] leaves of plates : maps.“...Sahel, documents and dissertations ;...”
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6出版 1977[s.l. : s.n.], 1977.170, [2] p., [10] leaves of plates : maps.“...Sahel, documents and dissertations ;...”
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7出版 1977[s.l. : s.n.], 1977.104, [2] p., [11 leaves of plates] : maps.“...Sahel, documents and dissertations ;...”
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8出版 1977[s.l. : s.n.], 1977.157, [2] p., [5] leaves of plates : map.“...Sahel, documents and dissertations ;...”
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9出版 1977[s.l. : s.n.], 1977.21 p., [1] leaf of plates : map.“...Sahel, documents and dissertations ;...”
