TY  - BOOK
AU  - Punmia, B C
AU  - Jain,  Ashok Kumar 
AU  - Jain,  Arun Kumar
TI  - Environmental Engineering - 2: Wastewater Engineering
SN  - 9788131805961
U1  - 628.162 
PY  - 2009///
CY  - New Delhi
PB  - Laxmi Publication Ltd.
ER  -