TY  - BOOK
AU  - Punmia,B.C.
AU  - Jain,Ashok Kumar
AU  - Jain,Arun Kumar
TI  - Water supply engineering: environmental engineering-1 
SN  - 8170080924
U1  - 628.1 22
PY  - 1999///
CY  - New Delhi
PB  - Laxmi Pub.
KW  - Environmental engineering
N1  - Includes index
ER  -