1. TrimpiR. L. “A Preliminary Theoretical Study of The Expansion Tube, a New Device for Producing High-Enthalpy Short-Duration Hypersonic Gas Flows,” NASA TR-R-133, 1962.
2. TrimpiR. L.CallisL. B. “A Perfect-Gas Analysis of the Expansion Tunnel, a Modification to the Expansion Tube,” NASA TR-R-223, 1965.
3. LukasiewiczJ., Experimental Methods of Hypersonics, 1st ed., Marcel Decker, New York, 1973, pp. 169–206.
4. Characterization of Expansion Tube Flows for Hypervelocity Combustion Studies
5. MillerC. G. “Operational Experience in the Langley Expansion Tube with Various Gases,” NASA TM-78637, 1977.