TY  - RPRT
TI  - Manned geosynchronous mission requirements and systems analysis study. Volume 1: Executive summary
AU  - Boyland, R. E.
AU  - Sherman, S. W.
AU  - Morfin, H. W.
PY  - 1979
UR  - https://ntrs.nasa.gov/citations/19800006927
ID  - 19800006927
ER  -