Gray, N. F. <br/><br/>
Water technology :  an introduction for environmental scientists and engineers / 
Nick Gray. 
 - 2nd ed. 
 - Oxford :  Elsevier Butterworth-Heinemann,  2005. 
 - xx, 645 p. :  ill., maps ;  25 cm. 
<br/><br/> Fakulti Agro-Industri dan Sumber Asli.  Previous ed.: London: Arnold, 1999. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9780750666336 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aquatic biology.<br/>Water supply.<br/>Water-supply engineering.