Вход
Электронный каталог
[Reports] / Amer.inst.of aeronautics and astronautics. N 90-3681 : technology assessment of alternative communications systems for the space exploration initiative : Paper presented at AIAA space programs and technologies conf.,Sept.25-28,1990,Huntsville(Al). / D.S.Ponchak,J.E.Zuzek,W.A.(jr.)Whyte и др, 1990. - 23 p. - Текст : непосредственный.