TY  - BOOK
AU  - BENJES, Henry H.
TI  - Handbook of biological waste-water treatment : evaluation performance and cost
U1  - 628.3 B44H 
PY  - 1980///
PB  - N.Y.
KW  - SEWAGE PURIFICATION - BIOLOGICAL TREATMENT
KW  - SEWAGE PURIFICATION - BIOLOGICAL TREATME
ER  -