Smith, Robert Leo. <br/><br/>
Elements of ecology / 
Robert Leo Smith and Thomas M. Smith. 
 - 5th ed. 
 - San Francisco :  Benjamin Cummings,  c2003. 
 - xvi, 682 p. :  ill. (some col.), maps ;  28 cm. 
<br/><br/>Includes bibliographical references (p. 627-644) and index. 
<br/><br/><label>ISBN: </label>080534473X (pbk.) 
<br/><br/><label>LCCN: </label>2002004865 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology.
<br/><br/><label>LC Class. No.: </label>QH541  / .S624 2003 
<br/><br/><label>Dewey Class. No.: </label>577