TY - GEN TI - Guidelines for cost-effective agri-environmental policy measures SN - 978-92-08665-4 U1 - OCDE 338.18 G9463g 2010 PY - 2010/// CY - Paris [Francia] : PB - Organisation for Economic Co-operation and Development, KW - AGRICULTURA KW - ASPECTOS ECONÓMICOS KW - PROTECCIÓN DEL MEDIO AMBIENTE ER -