[Reports] / Amer.inst.of aeronautics and astronautics. N 90-3952 : Experimental/theoretical investigation of the sound field of an isolated propeller,including angle of incidence effects : Rep. presented at the AIAA 13th aeroacoustics conf.,Oct.22-24,1990,Tallahassee(Fl) / T.Zandbergen,S.L.Sarin,R.P.Donnelly, 1990. - 7 p. - Текст : непосредственный.
[Reports] / Amer.inst.of aeronautics and astronautics. N 89-1126 : Experimental investigation of rotor wake/stator interaction noise generation by acoustic mode measurements : Rep. presented at the AIAA 12th aeroacoustics conf., Apr.10-12, 1989/San Antonio(Tx) / T.Zandbergen, 1989. - 9 p. - Текст : непосредственный.
[Reports] / Amer.inst.of aeronautics and astronautics. N 87-2740 : Acoustic and aerodynamic charcteristics of perfolin, the linear perforated plate acoustic linear : Papers presented at AIAA 11th aeroacoustics conf., Oct.19-21, 1987, Palo Alto(Ca) / T.Zandbergen, 1987. - 13 p. - Текст : непосредственный.