@PROCEEDINGS {HAHN:1983a, title = {Sweet potato improvement at IITA}, author = {Hahn, S. K. and Caveness, F. E. and Alvarez, M. N. and Ng, S. Y. C. }, booktitle = {Paper presented at the Caribbean Regional Workshop on Tropical Root Crops, p.10-16}, year = {1983}, note = {RTB; Root and Tuber; Sweetpotato}, }