Water quality assessments :  a guide to the use of biota, sediments and water in environmental monitoring / 
Deborah Chapman, editor. 
 - 2nd ed. 
 - New York :  E & FN Spon,  1996. 
 - p. ;  cm. 
<br/><br/><label>ISBN: </label>0419215905 0419216006 (pbk.) 
<br/><br/><label>LCCN: </label>96067734