TY - RPRT TI - Flame spread and vapor permeability properties of interior finishes AU - Ryan, J V AU - Bender, E W AU - Cullen, W C AU - Gross, D PY - 1955 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS RPT 4120 DO - 10.6028/NBS.RPT.4120 ER -