Natural SciencesAstronomyPhysicsAstrophysicsCosmologySpacecraft DesignAstroparticle PhysicsGeneral RelativityGravitational WavesOrbital DynamicsOrbital ElementsSolar PhysicsOrbit DesignOrbital Ephemerides
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Halo-orbit and lunar-swingby missions of the 1990's
Robert W. Farquhar · Acta Astronautica · 1991 · 44 citations