TY  - BOOK
AU  - Bureau of Indian Standards[BIS]
TI  - IS:4457-2007. Indian standard ceramic unglazed vitreous acid resisting tiles-specification (ICS 91.100.23)  (Reffirmed 2005)
U1  - IS CODE 
PY  - 2007///
CY  - New Delhi
PB  - Bureau of Indian Standards
ER  -