TY  - RPRT
TI  - An Accelerated Development, Reduced Cost Approach to Lunar/Mars Exploration Using a Modular NTR-Based Space Transportation System
AU  - Borowski, S.
AU  - Clark, J.
AU  - Sefcik, R.
AU  - Corban, R.
AU  - Alexander, S.
PY  - 1995
UR  - https://ntrs.nasa.gov/citations/19960007720
ID  - 19960007720
ER  -