00765nam a2200205 a 4500 0889362858 (pbk.) DLC 633 IDR 1981 C149 Or. Tropical root crops : research strategies for the 1980s : proceedings of the First Triennial Root Crops Symposium of the International Society for Tropical Root Crops--Africa Branch, 8-12 September 1980, Ibadan, Nigeria / Ottawa : International Development Research Centre, c1981 279 p. : ill. ; 25 cm "IDRC-163e." Root crops Tropical crops Terry, E. R Oduro, K. A Caveness, Fields E International Society for Tropical Root Crops. AEDBB 18635 18635 0 0 0 633_000000000000000_IDR_1981_C149_OR 0 83014 LBC LBC C149 2019-12-30 A38397 633 IDR 1981 C149 Or. 2019-12-30 2019-12-30 EK