Haslam, S M . <br/><br/>
River pollution :  an ecological perspective / 
S M Haslam. 
 - London  :   Belhaven Press,  1990. 
 - xiii,253 p. :  ill. ;  23 cm. 
<br/><br/>Includes bibliographical references and indexes. 
<br/><br/>
<br/><br/><label>Subjects--Topical Terms: </label><br/>River pollution
<br/><br/><label>Dewey Class. No.: </label>363.7394