GUPTA, U.S. <br/><br/>
Crop Improvement 

 - New Delhi  Oxford & IBH Publishing Co.Pv  t.Ltd      1992 
 - ix,267p.  vol-1 
<br/><br/><label>ISBN: </label>81-204-0281-2 
<br/><br/><label>Dewey Class. No.: </label>631.523