Sharma,P.D. <br/><br/>
Ecology and Environment 
by P.D. Sharma 
 - 1st Ed.   Rep. 
 - [s.l]:  Rastogi Publications 
 - 599p.:  20cm. 
<br/><br/><label>ISBN: </label>9788171339051 
<br/><br/><label>Subjects--Index Terms: </label>Specific topics in natural history, Zoology 
<br/><br/><label>Dewey Class. No.: </label>591.5