@misc{indiciae4fd3dee2fd46,
  title = {NASA/GSFC program in direct detection optical communications for intersatellite links},
  author = {Fitzmaurice, M. and Bruno, R.},
  year = {1989},
  url = {https://ntrs.nasa.gov/citations/19900050948},
  note = {Source identifier: 19900050948}
}