[Reports] / Amer.inst.of aeronautics and astronautics. N 89-1096 : Near-field noise of a pusher propeller : Rep. presented at the AIAA 12th aeroacoustics conf.,Apr.10-12,1989, San Antonio(Tx) / P.L.Spence,M.B.Tracy,M.A.Takallu, 1989. - 12 p. - Текст : непосредственный.
[Reports] / Amer.inst.of aeronautics and astronautics. N 87-2720 : Added noise due to the effect of an upstream wake on a propeller : Papers presented at AIAA 11th aeroacoustics conf., Oct.19-21, 1987, Palo Alto(Ca) / M.A.Takallu,P.L.Spence,P.J.W.Block, 1987. - 9 p. - Текст : непосредственный.