Selection of comet missions - 1965-1986.
Comet missions, discussing spacecraft exploration criteria for short period and long period first- apparition comets
ATLAS AGENA LAUNCH VEHICLE↗
Engineering topics
Publications and source records attributed to Pierce, P. M..
Comet missions, discussing spacecraft exploration criteria for short period and long period first- apparition comets
Statistical, trajectory, and sighting analysis for first-apparition comets - flight path parameters - astronomy