Newman, P. J. <br/><br/>
Classification of surface water quality :  review of schemes used in EC member states / 

 - Oxford :  Heinemann Professional Pub.,  1988. 
 - xii, 189 p. :  ill. (some col.) ;  31 cm. 
<br/><br/><label>ISBN: </label>043491374X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water quality management<br/>Water quality
<br/><br/><label>Dewey Class. No.: </label>363 HEI 1988 A013 Or.