Cameron <br/><br/>
Operation & Maintenance of Sewage Treatment Plants 
William Cameran & Frank L. Cross Jr. 
 - Westport, USA  Technomic Publishing  1976 
 - 337p.  24 cm 
<br/><br/><label>ISBN: </label>0877622124 
<br/><br/><label>LCCN: </label>7619504 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sewage Plants