@misc{indiciae4932c9354c31,
  title = {Mars Relay Constellation Study},
  author = {Ilott, Peter and Bell, Dave and MacNeal, Bruce and Lee, Charles H. and Gladden, Roy},
  year = {2019},
  url = {https://ntrs.nasa.gov/citations/20210014921},
  note = {Source identifier: 20210014921}
}