TY  - RPRT
TI  - Fire endurance tests of plywood on steel joist floor assemblies, with and without ceiling 
AU  - Shoub, H
AU  - Son, B C
PY  - 1973
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS IR 73-141
DO  - 10.6028/NBS.IR.73-141
ER  -