TY - RPRT TI - Wall cladding materials : smoke production measurements under simulated fire conditions, first progress report AU - Gross, Daniel AU - Loftus, J J AU - Harris, R PY - 1964 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS report ; 8398 DO - 10.6028/NBS.RPT.8398 ER -