TY  - BOOK
AU  - Bureau of Indian Standards
TI  - Specification for Burnt Clay Perforated Building Bricks (IS : 2222 - 1991)
U1  - IS : 2222 - 1991 
PY  - 1991///
CY  - New Delhi
PB  - Bureau of Indian Standards
KW  - Indian Standard - IT
N1  - IS : 2222 - 1991
ER  -