@INPROCEEDINGS {MKUMBIRA:2004, title = {Advances in cassava yield improvement at IITA}, author = {Mkumbira, J. and Okechukwu, R. and Dixon, A. }, booktitle = {Book of Abstracts of the Triennial Symposium of the International Society for Tropical Root Crops-Africa Branch, 31 October-5 November, 2004 at Mombasa, Kenya}, year = {2004}, note = {RTB; Root and Tuber; Cassava}, }