[Reports] / Amer.inst.of aeronautics and astronautics. N 90-3936 : Predicted Vs.scale model and flight test UDFR engine noise : Rep.presented at the AIAA 13th aeroacoustics conf.,Oct.22-24,1990,Tallahassee(Fl.) / C.Whitfield,P.Gliebe, 1990. - 10 p. - Текст : непосредственный.