1. Lenngren, C. E., Person, L. and Petersson, S. "A Method of Investigation of the Erosion of Rocket Propellants," Tech. Rep. NZP 7-55, Bofors, 1955(inSwedish).
2. Vandenkerckhove, J. "Combustion and Propulsion," Third Agard Colloquium, London, Pergamon Press, Inc., N. Y.1958, pp.423-425.