TY  - BOOK
AU  - Punmia, B. C.
AU  - Jain, Ashok Kumar
AU  - Jain, Arun Kumar
TI  - Wastewater engineering
SN  - 9788170080916
U1  - 628.3 
PY  - 1988///
CY  - New Delhi
PB  - Laxmi
KW  - Civil Engineering
ER  -