Antonie, Ronald L. <br/><br/>
Fixed Biological Surfaces-wastewater treatment  the rotating biological contactor 

 - Cleveland  CRC Press  1976 
 - 200 p. 
<br/><br/> Includes appendixd and index 
<br/><br/><label>ISBN: </label>0-87819-079-1 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Surfaces-wastewater treatment
<br/><br/><label>Dewey Class. No.: </label>D8665:(G) L6