1. Limits of Flammability of Gases and Vapors, US Bureau of Mines Bulletin;Coward,1952
2. Flammability Characteristics of Combustible Gases and Vapors, US Bureau of Mines Bulletin;Zabetakis,1965
3. Investigation of Fire and Explosion Accidents in the Chemical, Mining and Fuel-Related Industries – A Manual, US Bureau of Mines Bulletin;Kuchta,1985
4. Investigation of Turbine Fuel Flammability within Aircraft Fuel Tanks;Nestor,1967
5. Fuel Flammability Task Group, A review of the flammability hazard of jet a fuel vapor in civil transport aircraft fuel tanks, Final Report No. DOT/FAA/AR-98/26, Federal Aviation Administration, USA, 1998.