[Reports] / Amer.inst.of aeronautics and astronautics. N 90-4013 : ray acoustics approach to fuselage scattering of rotor noise : Rep.presented at AIAA 13th aeroacoustics conf.,Oct.22-24,1990,Tallahassee,Fl / N.Atalla,S.Glegg, 1990. - 10 p. - Текст : непосредственный.