1. On sound generated aerodynamically, I. General theory;Lighthill,1952
2. On sound generated aerodynamically, II. Turbulence as a source of sound;Lighthill,1954
3. The generation and radiation of supersonic jet noise;Lilley;Air Force Aero-Propulsion Laboratory, AF Systems Command, WrightPatterson Air Force Base, Ohio, AFAPL TR-72-53,1972
4. New aspects of subsonic aerodynamic noise theory;Goldstein;NASA TN D-7158,1973
5. A moving source problem relevant to jet noise;Mani;Journal of Sound and Vibration,1972