Townsend,, Colin R. <br/><br/>
Essentials of ecology / 
Colin R. Townsend 
 - 2nd ed 
 - London :  Blackwell,  2002 
 - xiii, 530p. 
 - ENV-SCI .
<br/><br/><br/>Eng. 
<br/><br/> pbk 
<br/><br/><label>ISBN: </label>1405103280 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology--Ecology
<br/><br/><label>Dewey Class. No.: </label>577 TOW-E ESci. 12429