1. Limits of Inflammability;Egerton,1952
2. Limits of Flammability of Gases and Vapors;Coward;U.S. BuMines Bull.,1952
3. Flammability Characteristics of Combustible Gases and Vapors;Zabetakis;BuMines Bull.,1965
4. Flammability Limits — a Review
5. Flammability of Mixed Gases;Burgess;U. S. BuMines Report of Investigations,1982