Pollock, Steve. <br/><br/>
Ecology / 
by Steve Pollock. 
 - New York:  DK,  1993. 
 - 64 p.:  col. ill.,  25 cm. 
<br/><br/>Includes index. 
<br/><br/> 5-8. 
<br/><br/><br/>English. 
<br/><br/><label>ISBN: </label>0789455811 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology.
<br/><br/><label>Dewey Class. No.: </label>577 POL/I