TY  - RPRT
TI  - Fire endurance tests of unprotected wood-floor constructions for single-family residences 
AU  - Son, B C
PY  - 1973
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS IR 73-263
DO  - 10.6028/NBS.IR.73-263
ER  -