Gerardi, Michael H. <br/><br/>
Nitrification and denitrification in the activated sludge process / 
Michael H. Garardi 
 - New York :  Wiley-Interscience,  2002 
 - xii, 193 p. :  ill. :  26 cm. 
 - Wastewater microbiology series Environmental Protection magazine series .
<br/><br/>Includes bibliographical references (p. 175-177) and index 
<br/><br/><label>ISBN: </label>0471065080 (pbk. : alk. paper)  RM212.86 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sewage--Purification--Nitrogen removal<br/>Nitrification<br/>Sewage--Purification--Activated sludge process