Mason, C. F.   1945- <br/><br/>
Biology of freshwater pollution /  [Books]. 
C.F. Mason.  
 - 3rd ed. 
 - Harlow :   Longman,   1996. 
 - xii,356p. :   col. ill., maps. ;   24cm. 
<br/><br/>Includes bibliographical references and index.  
<br/><br/><label>ISBN: </label>0582247322 (pbk) : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Freshwater biology--Great Britain.<br/>Water--Pollution--Great Britain.