1. Ber. 53, 2192; 1920. A short bibliography of the subject of the oxidation of fuel vapours is given in R. and M. (Air Ministry), 1374; 1930.
2. Grün, Ber., 53, 987; 1920: Kelber, Ber., 53, 1567; 1920.
3. Callendar and others, Engineering, R. and M. (Air Ministry), 1092; 1926.
4. Mardles, J.C.S., 872; 1928.
5. Comptes rendus, 19, 158; 1931. Ann. des Comb. Liquides, 5, 915; 1930.