Townsend, Colin R <br/><br/>
Essentials of ecology 
Colin R. Townsend, Michael Begon, John L. Harper 
 - 3rd ed 
 - Oxford ; Malden, MA  Blackwell Publishing  2008 
 - xii, 510 p. : col. ill., col. maps ; 25 cm 
<br/><br/> Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9781405156585 
<br/><br/><label>ISSN: </label>2007034694 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology
<br/><br/><label>Dewey Class. No.: </label>577 TOW