Effect of feed-grain output controls on resource uses and values in northern and southern Iowa /
Heady, Earl O.(Earl Orel),1916-1986,author.
Butcher, Walter R.,author.
Iowa State University.Agricultural and Home Economics Experiment Station.
Iowa State University.Department of Economics and Sociology.
Iowa State University.Center for Agricultural and Economic Adjustment.
United States.Department of Agriculture.Economic Research Service.Farm Production Economics Division.
Title from front cover.
Includes bibliographical references (page 289).