Mason, C. F. <br/><br/>
Biology of freshwater pollution / 
C. F. Mason. 
 - London :  Longman,  1981. 
 - xi, 250 p. :  ill. ;  22 cm. 
<br/><br/> Includes index. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0582455960 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water--Pollution--Environmental aspects.<br/>Freshwater biology.