[Reports] / Amer.inst.of aeronautics and astronautics. 90-5225 : Conceptual study of space plane powered by hypersonic airbreathing propulsion system : Rep.presented at the AIAA 2nd intern.aerospace planes conf. 29-31 Oct.29-31 Oct.1990 / M.Maita,Y.Ohkami,T.Yamanaka,T.Mori, 1990. - 9 p. - Текст : непосредственный.