Prasad,A.B &Vaishampayan, A(editor). <br/><br/>
Nitrogen-fixing organisms 

 -  1994. 
 - Jodhpur:  Scientific publishers. 
 - 338. 
<br/><br/><label>ISBN: </label>8172330847 
<br/><br/><label>Subjects--Personal Names: </label><br/>Chemistry, Nitrogen. 
<br/><br/><label>Dewey Class. No.: </label>546.711