@ARTICLE {ASIEDU:1994, title = {Towards genetic improvement of yams (Dioscorea spp.) in Africa}, author = {Asiedu, R. }, journal = {Tropical Root and Tuber Crops Bulletin}, year = {1994}, volume = {8}, number = {1}, pages = {8--9}, note = {RTB; Root and Tuber; Yam}, }