00854cam a2200241 a 4500 0889364982 (pbk.) DLC 630 IDR 1987 C142 Co. International Society for Tropical Root Crops. Tropical root crops : root crops and the African food crisis : proceedings of the Third Triennial Symposium of the International Society for Tropical Root Crops--Africa Branch held in Owerri, Nigeria, 17-23 August 1986 / Ottawa, Ont., Canada : International Development Research Centre, c1987. iv, 197 p. ; 25 cm. IDRC ; Root crops Root crops Tropical crops Tropical crops Food supply Terry, E. R. Akoroda, M. O. Arene, O. B. AEDBB 18335 18335 0 0 0 630_000000000000000_IDR_1987_C142_CO 0 82148 LBC LBC C142 2019-10-30 630 IDR 1987 C142 Co. A38555 2019-10-30 2019-10-30 EK 0 0 0 630_000000000000000_IDR_1987_C142_CO 0 82149 LBC LBC C142 2019-10-30 630 IDR 1987 C142 Co. A38556 2019-10-30 2019-10-30 EK