TY  - BOOK
TI  - Manual on water supply and treatment
U1  - 333.91 I6M2 
PY  - 1999///
CY  - New Delhi
PB  - Controller of Publications
KW  - Central Public Health and Environmental Engineering Organization
KW  - Water Treatment
KW  - Water Supply
KW  - Water
KW  - Environment
ER  -