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1by Haque, I. (ed.), International Livestock Centre for Africa, Addis Ababa (Ethiopia) eng 28071, Jutzi, S. (ed.), Neate, P.J.H. (ed.)
Published 1986Texto bibliotecaFAO IT -
2by Jutzi, S.C. (ed.), International Livestock Centre for Africa, Addis Ababa (Ethiopia) eng, International Conference on the Management of Vertisols in Sub-Saharan Africa eng 31 Aug - 4 Sep 1987 Addis Ababa (Ethiopia), Haque, I. (ed.), McIntire, J. (ed.), Stares, J.E.S. (ed.)
Published 1988Texto bibliotecaFAO IT