B.N. Pandey <br/><br/>
Ecology and Environment 

 - New Delhi  A.P.H. Publishing Corporation  2006 
 - 348p 
<br/><br/><br/>ENGLISH 
<br/><br/><label>ISBN: </label>81-7648-996-4 
<br/><br/><label>Dewey Class. No.: </label>574.5  / PAN