Black, John A. <br/><br/>
Water pollution technology / 
John A. Black. 
 - Reston, Va. :  Reston,  c1977. 
 - 260 p. :  ill. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0879098759 (cased) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water--Pollution.<br/>Water--Pollution--Measurement.<br/>Sewage--Purification.