[Reports] / Amer.inst.of aeronautics and astronautics. N 90-2109 : Lunar and Mars mission architecture utilizing tether-launched LLOX : Rep. presented at the AIAA/SAE/ASME/ASEE 26th joint propulsion conf., July 16-18, 1990, Orlando(Fl) / D.Baker,R.Zubrin, 1990. - 8 p. - Текст : непосредственный.
[Reports] / Amer.inst.of aeronautics and astronautics. N 89-2768 : Nuclear thermal rockets using indigenous martian propellants : Rep. presented at the AIAA/ASME/SAE/ASEE 25th joint propulsion conf.,Monterey(Ca),July 10-12,1989 / R.Zubrin, 1989. - 10 p. - Текст : непосредственный.
[Reports] / Amer.inst.of aeronautics and astronautics. N 89-2861 : Use of magnetic sails for Mars exploration missions : Rep. presented at the AIAA/ASME/SAE/ASEE 25th joint propulsion conf.,Monterey(Ca),July 10-12,1989 / D.Andrews,R.Zubrin, 1989. - 9 p. - Текст : непосредственный.
[Reports] / Amer.inst.of aeronautics and astronautics. N 90-1995 : engineering of a nuclear thermal landing and ascent vehicle utilizing indigenous Martian propellant : Rep.presented at the AIAA/SAE/ASME/ASEE 26th joint propulsion conf.,July 16-18,1990,Orlando(Fl) / R.Zubrin, 1990. - 30 p. - Текст : непосредственный.
[Reports] / Amer.inst.of aeronautics and astronautics. N 89-2441 : Magnetic sails and interplanetary travel : Rep. presented at the AIAA/ASME/SAE/ASEE 25th joint propulsion conf., Monterey(Ca), July 10-12, 1989 / R.Zubrin,D.Andrews, 1989. - 7 p. - Текст : непосредственный.
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