[Reports] / Amer.inst.of aeronautics and astronautics. N 90-3652 : Space Station Freedom altitude strategy : Rep. presented at the AIAA space programs and technologies conf.,Sept.25-28,1990,Huntsville(Al.) / B.M.McDonald,S.B.Teplitz, 1990. - 16 p. - Текст : непосредственный.