Natural wastewater treatment systems 
Ronald W. Crites, E. Joe Middlebrooks, Sherwood C. Reed 
 - Boca Raton, FL  CRC/Taylor & Francis  2006 
 - 552 p. : ill. ; 24 cm 
<br/><br/> Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9780849338045 
<br/><br/><label>ISSN: </label>2005041840 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sewage - Purification - Biological treatment<br/>Sewage sludge - Management
<br/><br/><label>Dewey Class. No.: </label>628.3 CRI