TY  - RPRT
TI  - Proposed criterion for defining load failure of beams, floors, and roof constructions during fire test 
AU  - Robertson, A F
AU  - Ryan, J V
PY  - 1958
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS RPT 6105
DO  - 10.6028/NBS.RPT.6105
ER  -