Black, John A,  b.1938 <br/><br/>
Water pollution technology / 
John A. Black 
 - Reston, Va :  Reston Pub. Co,  1977 
 - 260 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographies and index 
<br/><br/><label>ISBN: </label>0879098759 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water--Pollution<br/>Water--Pollution--Measurement<br/>Sewage--Purification