Reynolds, Tom D. <br/><br/>
Unit operations and processes in environmental engineering / 
Tom D. Reynolds, Paul A. Richards 
 - 2nd ed. 
 - Boston :  PWS Pub. Co.,  c1996 
 - xvi, 798 p. :  ill. ;  25 cm. 
 - PWS series in engineering .
 - PWS series in engineering .
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9780534948849 0534948847 (acid-free paper) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water--Purification<br/>Sewage--Purification<br/>Water--Purification--Problems, exercises, etc.<br/>Sewage--Purification--Problems, exercises, etc.