Introduction to the physics of weightlessness
Equations of motion for describing weightlessness phenomena during space flight
Orrok, G. T.↗
Engineering topics
Orrok, G. T.
Publications and source records attributed to Orrok, G. T..
Post Apollo manned lunar program
Explore the source record for details and available documents.
Grenning, E. M.↗
Use of man in space.
Tradeoff criteria between man machine and automated space systems applied to lunar and cosmic ray explorations
Howard, B.↗
Criteria for using man in space
Cost effectiveness criteria for using man in space programs
Orrok, G. T.↗
The meteoroid environment of Project Apollo, edition 2
Space environment and meteoroid hazard to Apollo spacecraft - skin thickness estimate
SPACE ENVIRONMENT↗