Haslam, S. M.  1934 <br/><br/>
River pollution :  an ecological perspective / 
S. M. Haslam 
 - London :  Belhaven Press,  1990 
 - 253 p. :  ill. ;  28 cm. 
<br/><br/><label>ISBN: </label>185293073X 185293218X pbk 
<br/><br/><label>LCCN: </label>90-000326 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Stream ecology<br/>Water--Pollution--Environmental aspects