TY  - BOOK
AU  - Imhoff, Karl
AU  - Masken Fair, Gordon
TI  - Sewage treatment
U1  - 628.3 
PY  - 1956///
CY  - New York,New Delhi etc
PB  - John Wiley & Sons 
KW  - Sewage disposal
KW  - Factory and trade waste
KW  - India
ER  -