[Reports] / Amer.inst.of aeronautics and astronautics. N 90-3950 : Experimental study of noise sources and acoustic propagation in a turbofan model : Rep.presented at the AIAA 13th aeroacoustics conf.,Oct.22-24,1990,Tallahassee(Fl.) / S.Lewy,S.Canard-Caruana, 1990. - 15 p. - Текст : непосредственный.