Sharma P D <br/><br/>
Ecology and environment 
Sharma P D 
 - 7th 
 -  2000 
 - 660p.  cm. 
<br/><br/><label>ISBN: </label>817133475X 
<br/><br/><label>Standard No.: </label>31234 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>BIOLOGY
<br/><br/><label>Dewey Class. No.: </label>G:5, P0