@misc{indiciae92a5c16b82da,
  title = {Sustainable Mars Sample Return},
  author = {Alston, Christie and Hancock, Sean and Laub, Joshua and Perry, Christopher and Ash, Robert},
  year = {2011},
  url = {https://ntrs.nasa.gov/citations/20110014952},
  note = {Source identifier: 20110014952}
}