Upton, Martin <br/><br/>
Agricultural production economics and resource-use / 
Martin Upton 
 - London :  Oxford University Press,  1976 
 - 357p. :  ill. ;  21 cm. 
<br/><br/><label>ISBN: </label>0198594526 
<br/><br/><label>LCCN: </label>76-368481 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture--Economic aspects