Iwai, Shigehisa, <br/><br/>
Wastewater treatment with microbial films / 

 - Lancaster :  Technomic Pub. Co.,  c1994. 
 - viii, 184 p. :  ill. ;  23 cm. 
<br/><br/><label>ISBN: </label>1566761123 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sewage
<br/><br/><label>Dewey Class. No.: </label>628 TEC 1994 A042 Or.