proceedings of a seminar held in Nairobi at the Institute of African Studies, University of Nairobi, May 21-22, 1981 kipkorir, B. E et al. creator Kipkorir, B. E. Soper, R. C. Ssennyonga, J. W. text Nairobi, Kenya Published for Institute of African Studies by Eleza Services [1981?] monographic xv, 172 p., [1] folded leaf of plates : ill. ; Agriculture HC865.Z7 1981