@misc{indiciae6a5f92dc831e,
  title = {A variable-data-rate, multimode quadriphase modem.},
  author = {Allen, R. W. and Batson, B. H.},
  year = {1973},
  url = {https://ntrs.nasa.gov/citations/19730053962},
  note = {Source identifier: 19730053962}
}