[Reports] / Amer.inst.of aeronautics and astronautics. N 89-1053 : On the near acoustic field and shock structure of rectangular supersonic jets : Rep. presented at the AIAA 12th aeroacoustics conf.,Apr. 10-12,1989, San Antonio(Tx) / E.Gutmark,K.C.Schadow,C.J.Bicker, 1989. - 13 p. - Текст : непосредственный.