TY  - BOOK
AU  - Bureau of Indian Standards[BIS]
TI  - IS:9222-(Pt.1)-1990. Indian standard recommendations for handling and doing devices for chemicals for water treatment. Pt.1 : coagulants
U1  - IS CODE 
PY  - 1991///
CY  - New Delhi
PB  - Bureau of Indian Standards
N1  - ENG
ER  -