TY - BOOK ED - International Conference on Livestock and Sustainable Nutrient Cycli ng in mixed farming Systems ( TI - Livestock and sustainable nutrient cycling in mixed farming systems of Sub-Saharan : : proceedings of an International conference held in Addis Ababa, Ethiopia 22-26 November 1993 / SN - 9290532912 U1 - AF P 636.0852 I69 PY - 1994///-1995 CY - Addis Ababa, Ethiopia : PB - International Livestock Center for Africa , KW - Nutrient cycles KW - Africa, Sub-Saharan KW - Congresses KW - Agricultural ecology N1 - v.1 Conference summary ER -