TY  - RPRT
TI  - Transportation mode performance comparison for a sustained manned Mars base
AU  - Hoffman, S. J.
AU  - Friedlander, A. L.
AU  - Nock, K. T.
PY  - 1986
UR  - https://ntrs.nasa.gov/citations/19860063169
ID  - 19860063169
ER  -