TY  - RPRT
TI  - Human Exploration of Near-Earth Objects Accessibility Study
AU  - Abell, Paul
AU  - Drake, Bret
AU  - Friedensen, Victoria
AU  - Mazanek, Dan
PY  - 2011
UR  - https://ntrs.nasa.gov/citations/20110015611
ID  - 20110015611
ER  -