GERARDI, M.H. <br/><br/>
NITRIFICATION AND DENITRIFICATION IN THE ACTIVATED SLUDGE PROCESS 

 - CANADA  Wiley  2002 
 - xii+193p.,25x18Cms. 
 - WASTE WATER MICROBIOLOGY SERIES .
<br/><br/><label>ISBN: </label>0471065081 
<br/><br/><label>Dewey Class. No.: </label>628.3 G356