TY  - BOOK
AU  - Guterstam, Bjorn Ed. Etnier, Carl Ed.
TI  - Ecological engineering for wastewater treatment
U1  - 628.43 
PY  - 1997///
CY  - Boca Raton
PB  - CRC Press
KW  - Sewage-Purification-Biological Treatment
KW  - Ecological Engineering
ER  -