Alley,E.R. <br/><br/>
Water quality control Hand book / 
Alley,E.R. 
 - New york:  Macgrohill,  2000. 
 - vii,13.1p;28cm 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0070014132 
<br/><br/><label>Dewey Class. No.: </label>631.703 ALL