@INPROCEEDINGS {NG:1997e, title = {Yam characterization and evaluation: problems and prospects}, author = {Ng, N. Q. and Asiedu, R. and Mignouna, H. }, booktitle = {Paper presented at the regional workshop for the conservation and utlization of cassava, sweetpotato and yam germplasm in sub-Saharan Africa, organized by CIP/IITA/IPGRI in Nairobi, 11-13 November, 1997}, year = {1997}, note = {RTB; Root and Tuber; Yam}, }