TY - RPRT TI - Mars Sample Return Using Commercial Capabilities: ERV Trajectory and Capture Requirements AU - Faber, Nicolas F. AU - Foster, Cyrus James AU - Wilson, David AU - Gonzales, Andrew AU - Stoker, Carol R. PY - 2013 UR - https://ntrs.nasa.gov/citations/20140000209 ID - 20140000209 ER -