TY - GEN AU - Frison, Emile A. AU - Bolton, Michael TI - Proceedings of a joint FAO / IPGRI workshop on ex situ germplasm conservation SN - 9290432454 U1 - 631.523 PY - 1994/// CY - Rome PB - International Board for Plant Genetic Resources KW - cultivation and harvesting KW - production of propagational organisms and new varieties KW - Development of new varieties ER -