[Reports] / Amer.inst.of aeronautics and astronautics. N 89-1132 : prediction of high-speed rotor noise : Rep. presented at the AIAA 12th aeroacoustics conf.,Apr. 10-12,1989/San Antonio(Tx) / T.Purcell, 1989. - II p. с. - Текст : непосредственный.
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