TY  - RPRT
TI  - Radiation exposure for manned Mars surface missions
AU  - Simonsen, Lisa C.
AU  - Nealy, John E.
AU  - Townsend, Lawrence W.
AU  - Wilson, John W.
PY  - 1990
UR  - https://ntrs.nasa.gov/citations/19900009041
ID  - 19900009041
ER  -