TY  - BOOK
AU  - Punmia B.C.
AU  - Jain Ashok Kumar
TI  - Environmental Engineering - 2 Waste Water Engineering:Including Air Pollution
SN  - 8170080916
U1  - 628.162 
PY  - 1998///
CY  - New Delhi
PB  - LAXMI PUBLICATIONS P LTD
KW  - Waste water628.119
ER  -