Heady, Earl Orel,  1916- <br/><br/>
Agricultural production functions / 
by Earl O. Heady and John L. Dillon. 
 - Ames :  Iowa State University Press,  1961. 
 - 667 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliography. 
<br/><br/>
<br/><br/><label>LCCN: </label>60-011128 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Farm management--Mathematical models.<br/>Agriculture--Economic aspects--Mathematical models.