Trivedi, P. R. <br/><br/>
Environmental ecology / 
Trivedi, P. R. 
 - 502 p. ; 21 cm. 
<br/><br/><label>ISBN: </label>8171582435 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology -- Environmental aspects.<br/>Environmental protection.
<br/><br/><label>Dewey Class. No.: </label>577