@ARTICLE {CRAUFURD:2001, title = {Dormancy in yams}, author = {Craufurd, P. and Summerfield, R. and Asiedu, R. and Vara Prasad, P. }, journal = {Experimental Agriculture}, year = {2001}, volume = {37}, number = {2}, pages = {147--181}, issn = {0014-4797}, note = {RTB; Root and Tuber; Yam}, }