TY - RPRT TI - Mechanisms of fire ignition and extinguishment : eighteenth quarterly progress report covering the period November 1, 1963 to February 29, 1964 AU - Creitz, E C PY - 1964 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS report ; 8305 DO - 10.6028/NBS.RPT.8305 ER -