TY  - BOOK
AU  - Vazirani, V. N
AU  - Chandola, S. P.
TI  - Water supply and sanitary engineering
U1  - 628.1 
PY  - 1979///
CY  - Delhi
PB  - Khanna
KW  - Sanitary engineering
KW  - Water supply
KW  - Water-pollution
ER  -