Mitchell, Paul <br/><br/>
Ecology/ 
by Paul Mitchell 
 - London  Hodder Headline  c2000 
 - viii, 104p. 
 - Teach Yourself 101 Key Ideas .
<br/><br/><label>ISBN: </label>0340782099 9780340782095 
<br/><br/><label>Dewey Class. No.: </label>577