@INPROCEEDINGS {HAHN:1980b, title = {Cassava improvement strategies for resistance to major economic diseases and pests in Africa}, author = {Hahn, S. K. and Terry, E. R. and Leuschner, K. and Singh, T. P. }, editor = {Terry, E. R. and Oduro, K. A. and Caveness, F. E. }, booktitle = {Proceedings of First Symposium International Society of Tropical Root Crops, Africa Branch, 8-12 September 1980, Ibadan, Nigeria}, year = {1980}, pages = {25--28}, note = {RTB; Root and Tuber; Cassava.; ISBN 0 88936 285 8 p.25-28}, }