SINGH, Gurdev. <br/><br/>
Seed Replacement Rates : Performance and Problems. 

 - New Delhi.  Oxford & IBH Publishing Co. P  vt. Ltd.   1994 
 - x, 49p. 
<br/><br/><label>ISBN: </label>81 204 0850 0 
<br/><br/><label>Dewey Class. No.: </label>631.521