TY  - BOOK
AU  - Huben Harry Von
TI  - Instructor guide: water treatment ,principles and practices of water supply operations series
SN  - 0898678064
U1  - 628.16 
PY  - 1995///
CY  - Denver
PB  - American water works association
KW  - Filtration
KW  - Disinfection
KW  - Time Softening
ER  -