Performance of the U.S. Grain marketing system :  1988 proceedings. North central regional project NC-186 / 
U.S.Depart. of agriculture. 
 - Minneapolis :  Department of agricultural economics,  1989. 
 - 276 p. :  tables, fig. ;  28 cm. 
<br/><br/>References after each part 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Marketing