Spitze, Robert G. F. Agricultural and food policy : issues and alternatives for the 1990's - Urbana : University of Illinois at Urbana-Champang, 1990 - 240 p. : gráfs. D48-144 LCCN: 3086 Subjects--Topical Terms: Agricultura--Aspectos economicos--E.U.A. Dewey Class. No.: 338.1 / S61