00488cam a2200169 a 4500 1566761123 DLC 628 TEC 1994 A042 Or. Iwai, Shigehisa, Wastewater treatment with microbial films / Lancaster : Technomic Pub. Co., c1994. viii, 184 p. : ill. ; 23 cm. Sewage Kitao, Takane, http://www.loc.gov/catdir/enhancements/fy0744/94060151-d.html EK 12886 12886 0 0 0 628_000000000000000_TEC_1994_A050_OR 0 62979 LBA LBA A050 2017-08-18 628 TEC 1994 A050 Or. A16155 2017-08-18 EK