@INBOOK {ALLEM:1991, title = {Cassava germplasm strategies for Africa}, author = {Allem, A. C. and Hahn, S. K. }, year = {1991}, volume = {II}, type = {Crop genetic resources of Africa, Vol. II, edited by N.Q. Ng, P. Perrino, F. Attere and H. Zedan}, pages = {127--149}, chapter = {3.3}, publisher = {International Institute of Tropical Agriculture (IITA); IBPGR; UNEP; CNR}, address = {Italy; Ibadan, Nigeria}, isbn = {978 131 0634}, note = {RTB; Root and Tuber; Cassava}, }