TY  - BOOK
AU  - Vazirani, V. N.
AU  - Chandola, S.
TI  - Public health engineering: water supply and sanitary engineering 
U1  - 628 VAZ 21
PY  - 1986///
CY  - Delhi
PB  - Khanna
KW  - Water- supply
KW  - Sanitary engineering
ER  -