TY  - BOOK
AU  - Punmia,B.C.
AU  - Jain,Ashok Kumar
AU  - Jain,Arun kumar
TI  - Waste Water Engineering: (including air pollution) : Environmental Engineering-II
SN  - 9788131805961.
U1  - 628.162 
PY  - 2013///
CY  - NEW DELHI
PB  - LAXMI  PUBLICATION
ER  -