Pastoral systems research in sub-Saharan Africa : Proceedings of the IDRC/ILCA workshop held at ILCA, Addis Ababa, Ethiopia, 21 to 14 March, 1983 - Addis Ababa : International Livestock Centre for Africa, 1983 - vii, 480p. : ill. Includes papers in French Subjects--Topical Terms: Livestock--Africa, Sub-SaharanPasture research--Africa, Sub-SaharanPastures--Africa, Sub-Saharan