Dickinson, Gordon. <br/><br/>
Ecosystems :  a functional approach. 

 - London :  Routledge,  1998. 
 - xvii, 190 pages :  : illustrations. 
 - (Routledge Introductions to environment) .
<br/><br/>Includes bibliographical reference, index and Glossary. 
<br/><br/><label>ISBN: </label>0415145139 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biotic communities.<br/>MURPHY, Kevin.