Schulz, Christopher R. <br/><br/>
Surface water treatment for communities in developing countries / 
Christopher R. Schulz and Daniel A. Okun 
 - New York :  John Wiley & Sons,  1984 
 - 299 p. :  ill. ;  25 cm. 
<br/><br/><label>ISBN: </label>0471802611 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water--purification<br/>Water treatment plants--Developing countries