@misc{indiciaef14ea82634e8,
  title = {A TDMA/PCM experiment on applications technology satellites.},
  author = {Doi, H. and Metzger, E. and Suguri, Y.},
  year = {1969},
  url = {https://ntrs.nasa.gov/citations/19690064521},
  note = {Source identifier: 19690064521}
}