Alvarez, M.N.Hahn, S.K.2007-11-131984-04-012007-11-131984IDRC-221ehttp://hdl.handle.net/10625/21330Meeting: International Society for Tropical Root Crops. Africa Branch, Triennial Symposium, 2d, 14-19 Aug. 1983, Douala, CMIn IDL-7377p. 129-132application/pdfenBook Chapter