1. A note on the howling of ejector shrouds;Bradshaw;N.P.L. Aero. Rep. 1064, A.R.C.,1963
2. The noise of ejectors;Middleton;A.R.C. R. & M. 3389,1963
3. Effect of exhaust-nozzle ejectors on turbojet noise generation;North;N.A. C.A. Tech. Note 3573,1953
4. The effect of a cylindrical shroud on the performance of a stationary convergent nozzle;Reid;A.R.C. R. & M. 3320,1962
5. Aerodynamically-induced resonance in rectangular cavities;East;J. Sound Vib.,1966