[Reports] / Amer.inst.of aeronautics and astronautics. N 89-1137 : Near-field acoustic environment of a supersonic plume adjacent to a wall : Rep. presented at the AIAA 12th aeroacoustics conf., Apr. 10-12,1989/San Antonio(Tx) / R.Wlezien, 1989. - 10 p. - Текст : непосредственный.