@ARTICLE {BARKER:1999a, title = {Yam dormancy: potential mechanisms for its manipulation}, author = {Barker, D. J. and Keatinge, J. and Asiedu, R. }, journal = {Tropical Science}, year = {1999}, volume = {39}, number = {3}, pages = {168--177}, issn = {0041-3291}, note = {RTB; Root and Tuber; Yam}, }