[Reports] / Amer.inst.of aeronautics and astronautics. N 90-3986 : Noise reduction of short ducted fan by using forward swept and inclined blade / K.Ohtsuta,S.Akishita;Rep.presented at AIAA 13th aeroacoustics conf.Oct.22-24,1990,Tallahassee(Fl), 1990. - 7 p. - Текст : непосредственный.
[Reports] / Amer.inst.of aeronautics and astronautics. N 89-0545 : On stability of magnetically suspended rotor at high rotational speed : Rep. presented at 27th aerospace sciences meet.,Jan.9-12,1989/Reno(Nv) / K.Tsuchiya,M.Inoue,S. Akishita и др, 1989. - 9 p. . - Текст : непосредственный.
[Reports] / Amer.inst.of aeronautics and astronautics. N 87-2672 : Numerical simulation of aerodynamic sound radiation from two-dimensional wing : Papers presented at AIAA 11th aeroacoustics conf., Oct.19-21, 1987, Palo Alto(Ca) / S.Akishita,K.Kuwahara,Y.Shida, 1987. - 6 p. - Текст : непосредственный.