TY  - BOOK
AU  - Punmia, B.C., Jain, Ashok, K and Jain, Arun, K 
TI  - Wastewater engineering 
SN  - 9788131805961
U1  - 628.3 PUN  
PY  - 2015///
CY  - Laxmi publications 
PB  - New Delhi 
KW  - Waste Water engineering
ER  -