[Reports] / Amer.inst.of aeronautics and astronautics. N 87-2680 : Structure-borne noise control for propeller aircraft : Papers presented at AIAA 11 aeroacoustics conf., Oct. 19-21, 1987, Palo Alto(Ca) / J.F.Unruh, 1987. - 7 p. - Текст : непосредственный.
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