Beach, Earl Francis. <br/><br/>
Economic models :    an explosion /  
E.F. Beach. 
 - New York :    Wiley,    1957. 
 - 227 p. :    ill. ;    24 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Economics -- Mathematical models.
<br/><br/><label>Dewey Class. No.: </label>330.182 BEA