TY  - BOOK
AU  - Punmia, B.C.
AU  - Jain, Arun Kumar
TI  - Wastewater engineering (Including air pollution)
U1  - 628.3 
PY  - 1996///
CY  - Jodhpur
PB  - Arihant Publications
KW  - Sewage - Purification
ER  -