GUPTA, U. S. <br/><br/>
Crop Improvement. (Vol 1) : Physiological Attributes 

 - New Delhi.  Oxford & IBH Pub Co. Pvt. Ltd  .          1992 
 - (ix), 267p 
<br/><br/><label>ISBN: </label>81-204-0595-1 
<br/><br/><label>Dewey Class. No.: </label>631.523