Biological nitrogen fixation :   recent developments / 
N. S. Subba Rao 
 - New Delhi :    Oxford & IBH Pub. Co.,  ©1988. 
 - xi, 337 p. :  ill. ;  25 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>8120402650 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Nitrogen
<br/><br/><label>Dewey Class. No.: </label>665.824  / BIO 1988