@BOOK {MAHUNGU:2007, title = {Advances in root and tuber crops technologies for sustainable food security, improved nutrition, wealth creation and conservation in Africa: proceedings of the 9th ISTRC-AB symposium, Mombasa, Kenya, 1-5 November, 2004}, editor = {Mahungu, N. and Manyong, V. }, year = {2007}, publisher = {International Society for Tropical Root Crops - Africa Branch (ISTRC-AB)}, isbn = {978-99908-941-0-3}, note = {RTB;}, }