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 ; 
<br/><br/> Previous ed.: London: Arnold, 1999. 
<br/><br/><label>ISBN: </label>0750666331 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water quality management.<br/>Water--Purification.<br/>Water--Pollution.<br/>Hydrology.<br/>Aquatic biology.
<br/><br/><label>LC Class. No.: </label>TD365  / .G73 2005