00617nam a22002057a 4500 LK-CoNLD 20251226155258.0 251226b |||||||| |||| 00| 0 eng d 0889361150 DOAL En 633.4 DOA Cock, James (ed.) Proceedings of the Fourth Symposium of the Interanational Society for Tropical Root Crops Box 8500, Ottawa, Canada K1G 3H9 International Development Research Center 1977 p.277:pic.:ill. Macintyre, Reginald (ed.) Graham, Michael (ed.) BK 240 240 0 0 0 0 REF DOAL DOAL REF 2025-12-26 3743 0 3743 2025-12-26 15:53:42 2025-12-26 BK