TY - BOOK AU - Brush, Stephen B ED - International Development Research Centre (Canada), International Plant Genetic Resources Institute TI - Genes in the field : on-farm conservation of crop diversity SN - 9791566704051 SN - 99044933 U1 - 631.5233 BRU PY - 1999/// CY - Rome PB - International Development Research Centre ; International Plant Genetic Resources Institute ; Lewis Publishers KW - Crops - Germplasm resources KW - Germplasm resources conservation KW - Germplasm resources, Plant N1 - Includes bibliographical references ER -