Townsend, Colin R. <br/><br/>
Essentials of Ecology  /   
Colin R.Townsend . 
 - 3rd ed. 
 - New Zealand :    Blackwell,  2008.  
 - xii, 510 p. : 
<br/><br/> Includes index  
<br/><br/><label>ISBN: </label>1405156585 
<br/><br/><label>Subjects--Topical Terms: </label><br/>_Ecology 
<br/><br/><label>LC Class. No.: </label>QH 541  /  .T66 2008