Agrawal, K. C <br/><br/>
Environmental Biology. 

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 - Bikaner  Agro Botanica  1999 
 - 584p   
<br/><br/>   
<br/><br/><label>ISBN: </label>81-87167-17-3 
<br/><br/><label>ISSN: </label>
<br/><br/><label>Subjects--Index Terms: </label>Environmental biology 
<br/><br/><label>Dewey Class. No.: </label>574.2