@misc{indiciae25a16486c80d,
  title = {Optical deep space communication via relay satellite},
  author = {Gagliardi, R. M. and Vilnrotter, V. A. and Dolinar, S. J., Jr.},
  year = {1981},
  url = {https://ntrs.nasa.gov/citations/19810024823},
  note = {Source identifier: 19810024823}
}