[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.