1. E. Mallard and H. L. Le Chatelier, “Recherches experimental et theoretique sur le combustion des melanges gaseaux explosifs,” Ann. des Mines, 8, Ser. IV (1883).
2. Recent investigations by A. Farag [Ph.D. thesis, University of London (1955)] suggest that this is not true and that a low-frequency flame oscillation (approximately 16 cps) is superimposed upon the forward velocity.
3. J. W. Linnett, inFourth Symposium (International) on Combustion(Williams and Wilkins Company, Baltimore, 1953), p. 20.
4. W. A. Bone and D. T. A. Townend,Flame and Combustion in Gases(Longmans Green and Company Ltd., London, 1927).