TY  - BOOK
AU  - Punmia, B. C.
AU  - Jain, Ashok Kumar 
TI  - Wastewater engineering :including air pollution
U1  - 628.4 
PY  - 1998///
CY  - New delhi
PB  - Laximi Publications
KW  - Waste water engineering
KW  - Waste water treatment
KW  - Waste water-Technology
N1  - Includes index
ER  -