Baker D.A. Combining near-term technologies to achieve a two-launch manned Mars mission : Paper presented at AIAA/SAE/ASME/ASEE 26th joint propulsion conf.,July 16-18,1990,Orlando,Fl. / D.A.Baker,R.M.Zubrin, 1990. - 10 p. - Текст : непосредственный.
[Reports] / Amer.inst.of aeronautics and astronautics. N 90-3799 : Enabling the global exploration of Mars with nuclear rocketry and indigenous propellants : Rep.presented at AIAA space programs and technologies conf.,Sept.25-28,1990,Huntsville,Al. / R.M.Zubrin,D.A.Baker, 1990. - 16 p. - Текст : непосредственный.