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Sonnenenergie
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Solar power systems for satellites in near- earth orbits.
Electric propulsion systems for primary spacecraft propulsion.
Planetary photographic exploration with solar- electric propulsion.
Mariner Mars 1964 power-system design and flight performance.
Solar-electric propulsion systems for unmanned space missions.
Trajectory analysis and optimization of a low- thrust solar electric Jupiter flyby mission.
Energy utilization and the design professional, Conference - Atlanta, 1794 (March 3-6)
Interplanetary spacecraft design using solar electric propulsion