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1Livestock and sustainable nutrient cycling in mixed farming systems in sub-Saharan Africa. v. 1: Conference summary.- v. 2: Technical papers Livestock and sustainable nutrient cycling in mixed farming systems in sub-Saharan Africa. v. 1: Conference summary.- v. 2: Technical papersby Powell, J.M. (ed.), International Livestock Centre for Africa, Addis Ababa (Ethiopia) eng, Fernandez-Rivera, S. (ed.), Williams, T.O. (ed.), Renard, C. (ed.)
Published 1994Texto bibliotecaFAO IT