Townsend, R. <br/><br/>
Essentials of ecology 

 - Malden  Blackwell Publishing  2006 
 - xiii, 530p. 
<br/><br/><label>ISBN: </label> RS 895.00 
<br/><br/><label>Source: </label> RS 895.00 
<br/><br/><label>Dewey Class. No.: </label>577 TDW