TY  - BOOK
AU  - Punmia B.C.
TI  - Wastewater  Engineering
SN  - 8170080924
U1  - 628.1 P984W 
PY  - 1998///
CY  - New Delhi
PB  - Laxmi Publications (P) Ltd,.
KW  - Wastewater  Engineering
ER  -