@misc{indiciaeb6e0944cf470,
  title = {Mars Sample Return Strategic Approach to Backward Planetary Protection - Summary},
  author = {Salvo, Chris and Gershman, Bob and Muirhead, Brian},
  year = {2021},
  url = {https://ntrs.nasa.gov/citations/20220003444},
  note = {Source identifier: 20220003444}
}