Conference Paper
General issues of the BILFA [Bean Improvement for Low Fertility in Africa]: discussion and recommendations. 1994. In: Wortmann, Charles S. (ed.). Bean improvement for low fertility soils in Africa: Proceedings of a working group meeting, Kampala, uganda 23-26 May, 1994. Centro Internacional de Agricultura Tropical (CIAT), Network on Bean Research in Africa, Butare, RW. p. 41-42. (CIAT African workshop series no. 26)