TY  - RPRT
TI  - Optimizing Parking Orbits for Roundtrip Mars Missions
AU  - Qu, Min
AU  - Merill, Raymond G.
AU  - Chai, Patrick
AU  - Komar, David R.
PY  - 2017
UR  - https://ntrs.nasa.gov/citations/20170008844
ID  - 20170008844
ER  -