Townsend, Colin R. <br/><br/>
Essentials of ecology 
by Colin R. Townsend, John L. Harper and Michael Begon 
 - Berlin  Blackwell Science  2000 
 - xvii, 552p. 
<br/><br/><label>ISBN: </label>0-632-04348-2 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology
<br/><br/><label>Dewey Class. No.: </label>577  / TOW/E