Etnier, Carl <br/><br/>
Ecological Engineering for Wastewater Treatment 
/ edited by Carl Etnier 
 - 2nd ed. 
 - Boca Raton:  CRC Lewis Publishers;  1996. 
 - 451p. 
<br/><br/><label>ISBN: </label>9780873719902 
<br/><br/><label>Dewey Class. No.: </label>628.43  / ETN/E