00714nam a2200181 a 4500020002200000040000800022082002600030245022700056260006400283300002800347500001700375650001500392650001900407700001600426700001600442700002300458710005100481  a0889362858 (pbk.)  cDLC0 a633 IDR 1981 C149 Or.10aTropical root crops :bresearch 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 /0 aOttawa :bInternational Development Research Centre,cc1981  a279 p. :bill. ;c25 cm  a"IDRC-163e." 0aRoot crops 0aTropical crops10aTerry, E. R10aOduro, K. A10aCaveness, Fields E20aInternational Society for Tropical Root Crops.