Townsend, Colin R. <br/><br/>
Essentials of ecology / 
by Colin R. Townsend, Michael Begon and John L. Harper 
 - 3rd 
 - Oxford :  Blackwell Publishing,  2010. 
 - xii, 510 p. 
<br/><br/><label>ISBN: </label>9781405156585 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology <br/>Resources
<br/><br/><label>Dewey Class. No.: </label>577  / TOW-E