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Optimizing Mars Sphere of Influence Maneuvers for NASA's Evolvable Mars Campaign
OPTIMIZING MARS SPHERE OF INFLUENCE MANEUVERS FOR NASA'S EVOLVABLE MARS CAMPAIGN
Sustaining Human Presence on Mars Using ISRU and a Reusable Lander (AIAA 2015-4479)
Viability of a Reusable In-Space Transportation System (AIAA 2015-4580)