Closs, Gerry. <br/><br/>
Freshwater ecology :  a scientific introduction / 
Gerry Closs, Barbara Downes & Andrew Boulton. 
 - Malden, MA. :  Blackwell Pub. Co.,  c2004. 
 - xiv, 221 p. :  ill. ;  25 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>063205266X (pbk. : alk. paper) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Freshwater ecology.
<br/><br/><label>Dewey Class. No.: </label>577.6  / CLF 2004