mukherjee s  a <br/><br/>
environmental studies  ghosh 

 - calcutta  books&allied(p)ltd  2000 
<br/><br/><label>ISBN: </label>81-87134-85-2 
<br/><br/><label>Subjects--Topical Terms: </label><br/>biology
<br/><br/><label>Dewey Class. No.: </label>S/E  / 574.5