TY - RPRT TI - Human Missions to Mars Orbit, Phobos, and Mars Surface Using 100-kWe-Class Solar Electric Propulsion AU - Price, Humphrey W. AU - Woolley, Ryan C. AU - Strange, Nathan J. AU - Baker, John D. PY - 2014 UR - https://ntrs.nasa.gov/citations/20150008510 ID - 20150008510 ER -