1. Lockard,D.P.,andLilley,G.M.“Theairframenoisereductionchallenge,”Tech.rep.,NASA-TM-2004-213013,2004.
2. Aerodynamic sound generation by turbulent flow in the vicinity of a scattering half plane
3. Noise due to turbulent flow past a trailing edge
4. The Silent Flight of Owls
5. Fowler,M.,andCubas,Z.S.,Biology,medicine,andsurgeryofSouthAmericanwildanimals,JohnWiley&Sons,2008.