TY  - BOOK
AU  - Santhosh kumar, Garg  .
AU  - Rajeswari,Garg  .
TI  - Sewage disposal and air pollution engineering / 
U1  - 628.3 
PY  - 1992///
CY  - Delhi : 
PB  - Khanna publishers , 
N1  - * CSS
ER  -