Breeding field crops :  theory and practice / 
V. L. Chopra. 
 - 1st ed. 
 - New Delhi :  Oxford & IBH Publishing,  2001 
 - 580 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>8120414357 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Field crops
<br/><br/><label>Dewey Class. No.: </label>631.53  / CHB