@INBOOK {ASIEDU:1997, title = {Yams}, author = {Asiedu, R. and Wanyera, N. and Ng, S. Y. C. and Ng, N. Q. }, editor = {Fuccillo, D. and Sears, L. and Stapleton, P. }, year = {1997}, type = {Biodiversity in Trust: conservation and use of plant genetic resources in CGIAR centres}, pages = {57--66}, publisher = {Cambridge University Press, Cambridge, UK}, note = {RTB; Root and Tuber; Yam}, }