Operation of Wastewater treatment plants  : a manual of practice 

 - USA:  Water Pollution Control Federation,  1976. 
 - 536p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water-Pollution<br/>Sewage disposal <br/>Sanitary engineering 
<br/><br/><label>Dewey Class. No.: </label>628.3  / OPE