Heady, Earl O. <br/><br/>
Agricultural production functions 
by Earl O. Heady and John L. Dillon 
 - Ames  Iowa State University Press  1961 
 - 667p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Farm management --Mathematical models<br/>Agriculture --Economic aspects --Mathematical models
<br/><br/><label>Dewey Class. No.: </label>Z4x777 H345