TY - BOOK AU - Brush,Stephen B. ED - International Development Research Centre (Canada). ED - International Plant Genetic Resources Institute. TI - Genes in the field: on-farm conservation of crop diversity SN - 0889368848 U1 - 631.523 PY - 2000/// CY - Rome PB - International Plant Genetic Resources Institute ; Ottawa, Canada : International Development Research Centre ; Boca Raton, FL : Lewis Publishers, KW - RECURSOS DE GERMOPLASMA KW - PLANTAS ER -