TY - BOOK AU - Smale,Melinda TI - Valuing crop biodiversity: on-farm genetic resources and economic change SN - 9780851990835 U1 - 631.523 PY - 2006/// CY - Wallingford, UK, Cambridge, MA PB - CABI Pub. KW - Crops KW - Germplasm resources KW - Economic aspects KW - Plant diversity conservation KW - Agricultural innovations KW - Farms, Small ER -