@INPROCEEDINGS {HAHN: 1994, title = {Root crops for food security in sub-Saharan Africa}, author = {Hahn, S. K. }, editor = {Akoroda, M. }, booktitle = {Root crops for food security in Africa: proceedings of the Fifth Triennial Symposium of the International Society for Tropical Root Crops-Africa Branch, 22-28 November 1992, Kampala, Uganda}, year = {1994}, pages = {16--21}, publisher = {ISTRC-AB; CTA; International Institute of Tropical Agriculture (IITA)}, address = {Kampala,Uganda}, note = {RTB; Root and Tuber}, }