Earl, O. Heady <br/><br/>
Resource demand and structure of the agricultural industry 
by Earl O. Heady and Luther G. Tweeten 
 - Ames  Iowa State University Press  1963 
 - 515p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture --Economic aspects --United States
<br/><br/><label>Dewey Class. No.: </label>Z4x73 H345r