@INPROCEEDINGS {DIXON:1994, title = {Cassava improvement in Africa: contribution of the Internaitonal Institute of Tropical Agriculture}, author = {Dixon, A. and Asiedu, R. and Ekanayake, I. J. and Porto, M. C. M. }, booktitle = {Proceedings African Crop Science Conference}, year = {1994}, volume = {1}, pages = {466--469}, publisher = {African Crop Science Society}, address = {Kampala, Uganda}, }