Heady, Earl O. <br/><br/>
Spatial sector programming models in agriculture / 
Earl O. Heady. 
 - Ames :  Iowa State university,  c1975. 
 - 484 p. 
<br/><br/><label>ISBN: </label>0813815754 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture and state--Mathematical models--Addresses, essays, lectures.
<br/><br/><label>LC Class. No.: </label>HD1415  / .H34