Earl O. Heady <br/><br/>
Agricultural supply functions 

 - Iowa  Iowa State University Press  1961 
 - 305p 
<br/><br/>Earl O. Heady; C.B. Baker; Howard G. Diesslin; Earl Kehrberg & Sydney Staniforth: Agricultural supply functions.  Iowa.  Iowa State University Press, 1961.--(338.1HEA)   
<br/><br/><br/>ENGLISH 
<br/><br/><label>Dewey Class. No.: </label>338.1  / NCFM