Earl  O. Heady <br/><br/>
Agricultural production function 

 - Ludhiana  Kalyani Publishers  1961 
 - 667p 
<br/><br/>Earl  O. Heady & John  L. Dillon: Agricultural production function.  Ludhiana.  Ames.  Kalyani Publishers, Lowa state university press, 1961.--(338.1HEA)   
<br/><br/><br/>ENGLISH 
<br/><br/><label>Dewey Class. No.: </label>338.1  / HEA