TY  - RPRT
TI  - Fire endurance tests of unprotected wood-floor constructions for single-family residences 
AU  - Son, B C
PY  - 1971
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS RPT 10320
DO  - 10.6028/NBS.RPT.10320
ER  -