[Reports] / Amer.inst.of aeronautics and astronautics. N 90-3911 : Acoustic radiation from lifting airfoils in compressible subsonic flow : Rep. presented at the AIAA 13th aeroacoustics conf.,Oct.22-24,1990,Tallahassee(Fl) / H.M.Atassi,S.Subramaniam,J.R.Scott, 1990. - 20 p. - Текст : непосредственный.