Automated /unmanned/ Mars sample return missions.
Payload feasibility of automated /unmanned/ Martian surface sample collection and return to earth
Dockery, J. T.↗
Engineering topics
Niehoff, J. C.
Publications and source records attributed to Niehoff, J. C..
The accessible regions presentation of gravity-assisted trajectories using Jupiter
Accessibility of solar system regions to earth launched spacecraft using Jupiter gravity- assisted trajectories
JUPITER /PLANET/↗
Gravity-assisted trajectories to solar-system targets.
Gravity assisted trajectories to solar system targets analyzed by two-dimensional solar system model
INTERPLANETARY TRAJECTORY↗
A survey of multiple missions using gravity-assisted trajectories
Launch opportunities and advantages of gravity- assisted multiple missions to specific solar system targets
SOLAR SYSTEM↗
An analysis of gravity assisted trajectories to solar system targets.
Gravity assisted trajectories to solar system targets analyzed by two-dimensional solar system model
SOLAR SYSTEM↗