@misc{indiciae0928a20f6e1a,
  title = {Deep space optical communication via relay satellite},
  author = {Dolinar, S. and Vilnrotter, V. and Gagliardi, R.},
  year = {1981},
  url = {https://ntrs.nasa.gov/citations/19830042361},
  note = {Source identifier: 19830042361}
}