TY  - GEN
AU  - Garg, Santosh Kumar 
AU  - Garg,RaJeshwari 
TI  - Sewage disposal and air pollution engineering 
U1  - 628 
PY  - 1979///
CY  - Delhi
PB  - Khanna Publishers
KW  - Sanitary and municipal engineering
KW  - Engineering and allied operations
ER  -