Ponds as a wastewater treatment alternative   (Book) 

 - Austin  College of Engineering, University of Texas at Austin  1976 
 - 447 p.  26 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sewage lagoons--Congresses
<br/><br/><label>Universal Decimal Class. No.: </label>628.35 PON  / 11037