1. Oswatitsch, K.: Physikalische Grundlagen der Str�mungsmechanik. In: Handbuch der Physik, Bd. VIII/1 (Fl�gge, S., Hrsg.). Berlin-G�ttingen-Heidelberg: Springer. 1959.
2. Hansen, C. F., undS. P. Heims: Thermodynamic and transport properties and chemical reaction rates for high-temperature air. NACA TN 4359.
3. Logan, J. G.: A new air for engineers. CAL Research Trends, Bd. V/1 (1957).
4. Hawkins, R.: The Feasibility of Supersonic Combustion Ramjets for Low Hypersonic Speeds. In: Aerodynamics of Power Plant Installation, Agardograph 103/1, S. 69?121 (1965).
5. Dugger, G. L.: Comparison of Hypersonic Ramjet Engines with Subsonic and Supersonic Combustion. In: Combustion and Propulsion (Fourth AGARD Coll.;Jaumotte, A. L., et al., Hrsg.). New York-Oxford-London-Paris: Pergamon Press. 1961.