Grady, C. P. Leslie <br/><br/>
Biological wastewater treatment / 
by C.P. Leslie Grady, Jr., Glen T. Daigger, Henry C. Lim 
 - 3rd ed. 
 - New York :  CRC Press,  2009 
 - xxix, 991 p. :  ill. ;  26 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9780849396793 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sewage--Purification--Biological treatment