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1Published 1975[Ouagadougou] : I.R.A.T., 1975.39 p., [7] leaves of plates : ill.“...Sahel, documents and dissertations ;...”
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2Published 1974[Ouagadougou] : I.R.A.T., 1974.32 p., [2] leaves of plates : ill.“...Sahel, documents and dissertations ;...”
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3Published 1974[s.l.] : C.I.D.R. : I.R.A.T, [1974?]42 p., [3] leaves of plates : ill., map.“...Sahel, documents and dissertations ;...”
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4Published 1976[Ouagadougou] : I.R.A.T., 1976.33 p., [4] leaves of plates : ill.“...Sahel, documents and dissertations ;...”
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5Published 1976[s.l.] : La Direction, 1976.85, 15 p.“...Sahel, documents and dissertations ;...”
