1. The emission of sound by airscrews;LYNAM;Aeronautical Research Committee Report,1919
2. On sound generated aerodynamically. Part 1. General theory;LIGHTHILL;Proceedings of the Royal Society (A),1952
3. Sound generation by turbulence and surfaces in arbitrary motion;FFOWCS WILLIAMS;Philosophical Transactions of Royal Society London (A),1969
4. Linear acoustic formulas for calculation of rotating blade noise;FARASSAT;American Institute of Aeronautics and Astronautics Journal,1981
5. F. FARASSAT, 1985, Aerodynamics and Acoustics of Propellers, AGARD CP-36616, Theoretical analysis of linearized acoustics and aerodynamics of advanced supersonic propellers