Twort, A.C. <br/><br/>
Water supply/ 
by Alan C. Twort, Don D. Ratnayaka and Malcolm J.Brandt 
 - 5th ed. 
 - New York:  Butterworth,  2000. 
 - viii,676p,:  ill.;  25 cm 
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>9780340720189 
<br/><br/><label>Source: </label>B-34090 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water--Supply
<br/><br/><label>LC Class. No.: </label>TD345  / .T96  2000