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w e moeckel
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Interplanetary trajectories with excess energy
W. E. Moeckel · Lewis Flight Propulsion Laboratory. National Advisory Committee for Aeronautics
14 sayfa · 1959
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Propulsion methods in astronautics
W. E. Moeckel · Lewis Flight Propulsion Laboratory, National Advisory Committee for Aeronautics
30 sayfa · 1959
Kategori yok