1. Méthode de mesure et d'analyse du bruit des avions en vol;Auzolle,1971
2. Etude des interférences par réflexion. Application aux spectres de pression acoustique des jets;Thomas,1969
3. On sound generated aerodynamically. II. Turbulence as a source of sound;Lighthill,1954
4. Some thoughts on the effects of aircraft motion and eddy convection on the noise from air jets;Ffowcs Williams;Department of Aeronautics and Astronautics, University of Southampton, Report No. 155,1960
5. Papers on novel aerodynamic noise source mechanisms at low jet speeds;Ffowcs Williams;ARC Current Paper, No. 1196,1972