Putter, A Safeguarding the genetic basis of Africa's traditional crops: proceedings of a CTA/IBPGR/KARI/UNEP seminar, 5-9 October 1992, Nairobi, Kenya. edited by A. Putter - Netherlands: CTA 1994 - xl, 211p.: ill. ISBN: 929081103X Subjects--Topical Terms: YAMSCROPS--GERMPLASM RESOURCES--AFRICACROPS--GENETIC ENGINEERINGAGRICULTURE--INFORMATION SOURCES LC Class. No.: CTA)02)