Grady, C. P. Leslie <br/><br/>
Biological wastewater treatment 

 - 3rd ed. 
 - Boca Raton :  CRC Press,  ©2011. 
 - xxix, 991 p. :  ill. ;  24 cm (Paperback) 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9781138582828 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sewage--Purification--Biological treatment.
<br/><br/><label>Dewey Class. No.: </label>628.35  / GRA / B