[Reports] / Amer.inst.of aeronautics and astronautics. N 88-2927 : Comparison of advanced nuclear and chemical propulsion : Paper presented at AIAA/ASME/SAE/ASEE 24th joint propulsion conf., July 11-13, 1988, Boston(Ma) / J.H.Ramsthaler,T.Sulmeisters, 1988. - 20 p. - Текст : непосредственный.