Martin, J.H. Leonard, W.H. Stamp, D.L. <br/><br/>
Principles and practices used in field crop production 

 - Collier Macmillan International Editions.   London  1940 
 - 1118p.  ill. 
<br/><br/><label>ISBN: </label>0023767200 
<br/><br/><label>Nat. Bib. No.: </label>5152 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture 
<br/><br/><label>Universal Decimal Class. No.: </label>633  / PRI