Gray, N.F. <br/><br/>
Water technology :  an introduction for environmental scientists and engineers / 
N.F. Gray. 
 - 2nd ed. 
 - Oxford :  Elsevier Butterworth-Heinemann,  2005. 
 - xx, 645 p. :  ill., maps ;  25 cm. 
<br/><br/> Includes index. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>8131202127 (pbk. ) 0750666331 (pbk. ) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water-supply.<br/>Water-supply engineering.<br/>Aquatic biology.