1. Stalker, R.J.: Isentropic compression of shock tube driver gas. ARS J. 30, 564 (1960)
2. Paull, A., Stalker, R.J.: Scramjet testing in the T3 and T4 hypersonic impulse facilities. In: Curran, E.T., Murthy, S.N.B. (eds.) Scramjet Propulsion, Progress in Astronautics and Aeronautics, pp. 1–46. AIAA, Reston, Virginia (2000)
3. Stalker, R.J., Morgan, R.G.: The University of Queensland free piston shock tunnel T4: initial operation and preliminary calibration. In: Proceedings of the 4th National Space Engineering Symposium, IEAust, Adelaide (1988)
4. http://hypersonics.mechmining.uq.edu.au/t4
. Downloaded 19 Aug 2013
5. Resler, E.L., Bloxsom, D.E.: Very High Mach Number Flows by Unsteady Flow Principles. Cornell University Graduate School of Aeronautical Engineering, Limited Distribution Monograph, Jan 1952