TY - BOOK ED - Symposium on Proposed New Structure for Food and Agricultural Policy. Philadelphia, 1986 TI - Papers Presented to the Symposium: a Proposed New Structure for Food and Agricultural Policy T2 - Information ; PY - 1989/// CY - Blacksburg : PB - Virginia polytechnic institute and State university. Departament of agricultural engineering, KW - POLÍTICA AGRARIA-ESTADOS UNIDOS DE AMÉRICA-CONGRESOS, CONFERENCIAS, ETC N1 - Bibliografía al final de capítulos ER -