1. J.W.S. Rayleigh, “The Theory of Sound”, London, 1877
2. Leo L. Beranek, “The Noisy Dawn of the Jet Age”, Sound and Vibration, January 2007
3. ICAO Working Paper, “Present and Future Trends in Aircraft Noise and Emissions”, Assembly–38th Session, 18 July 2013
4. CleanSky 2, “Future Trends in Aviation Noise”, Workshop, 1–2 October 2014
5. ICAO annex 16 Vol I amendment 10–(implementing CAEP/8 4 March 2011)