Planetary missions - Possibilities for the future
Attention is given to the proposed development of such terrestrial planet orbiters as the Lunar Polar Orbiter, the Venus Orbital Imaging Radar, and the Mars Polar Orbiter, and the Mercury Orbiter. Also considered are outer planet orbiter/probes, including the Jupiter Orbiter Probe, the Jupiter Orbiter-Satellite Tour, and the Saturn Orbiter/Titan Lander mission.
Freidman, L. D.↗