TY - RPRT TI - Mechanisms of fire ignition and extinguishment : sixteenth quarterly progress report covering the period 1 May 1963 to 31 July 1963 AU - Creitz, E C PY - 1963 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS report ; 8079 DO - 10.6028/NBS.RPT.8079 ER -