Dubey, S. K. <br/><br/>
Environmental biology 

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 - New Delhi  Dominant Publishers and Distributors  2002 
 - 375p.   
<br/><br/>   
<br/><br/><label>ISBN: </label>81-7888-037-7 
<br/><br/><label>ISSN: </label>
<br/><br/><label>Subjects--Index Terms: </label>Environmental biology 
<br/><br/><label>Dewey Class. No.: </label>574.2