TY  - GEN
AU  - Maulik ,  M. N.
TI  - Waste water treatment and sewage disposal
U1  - 628.162 
PY  - 1997///
CY  - Delhi
PB  - Standard Book House
KW  - WATER SUPPLY AND SEWAGE
KW  - ENGINEERING
KW  - WATER - TREATMENT
ER  -