TY  - BOOK
AU  - Bureau of Indian Standards
TI  - IS: 6061 (Part 1) - 1971; Code of practice for construction of floor and roof with joists and Filler blocks Part 1 with Hollow concrete filler blocks (Third reprint July 1990)
PY  - 1971///
CY  - New Delhi
PB  - BIS
ER  -