Prasad, A.B. and Vaishampayan, A. <br/><br/>
Biology and Application of Nitrogen-Fixing Organisms 
Problems and Prospects 
 - Jodhpur  Scientific Publishers  1994 
 - 338 
<br/><br/><label>Publisher. No.: </label> Royal Biblioman Bangalore -4 
<br/><br/><label>Subjects--Personal Names: </label> Environmental Science 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental Science