Upgrading of wastewater treatment plants : procedings of the International Association on Water Pollution Research and Control(IANPRC) /  
edited by W. Hegemann, W. Bischofsberger and E. Englmann. 
 - Oxford :   Pergamon Press ,   1990. 
 - ix,324p. :   ill. ;   26cm .  
 - Water science and technology ,  .
<br/><br/><label>ISBN: </label>0080407773  NULL 
<br/><br/><label>Subjects--Index Terms: </label>WATER TREATMENT PLANTS 
<br/><br/><label>Dewey Class. No.: </label>628.1620286  / HEG/U