1. A survey of low velocity and coaxial jet noise with application to prediction;Bushell;Journal of Sound and Vibration,1971
2. On sound generated aerodynamically;Lighthill,1952
3. Noise of highly turbulent jets at low exhaust speeds;Williams;AIAA Journal,1965
4. Influences of upstream flow discontinuities on the acoustic power radiated by a model air jet;Gordon;NASA Contractor Report 679,1967
5. Some open questions on the jet noise problem;Williams;Aeronautical Research Council 29547,1968