TY - RPRT TI - Mechanisms of fire ignition and extinguishment : progress report covering period 1 January to 30 June 1958 AU - Creitz, E C PY - 1958 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS RPT 5987 DO - 10.6028/NBS.RPT.5987 ER -