@misc{indiciaefae299e4b07e,
  title = {Modulation techniques for deep-space pulse-position modulation (PPM) optical communication},
  author = {Rayman, Marc D. and Robinson, Deborah L.},
  year = {1988},
  url = {https://ntrs.nasa.gov/citations/19890028427},
  note = {Source identifier: 19890028427}
}