TY  - BOOK
AU  - Punmia,B.C.
AU  - Jain,Ashok Kumar
AU  - Jain,Arun Kumar
TI  - Wastewater engineering
SN  - 8170080916 :
PY  - 1988///
CY  - New Delhi
PB  - Laxmi
KW  - Sewage disposal
KW  - Plants
ER  -