@misc{indiciae9dc1eb81f434,
  title = {Bi-polar phase detector and corrector for split phase PCM data signals Patent},
  author = {Bailey, J. W. and Koschmeder, L. A. and Mcafee, D. F.},
  year = {1970},
  url = {https://ntrs.nasa.gov/citations/19710002917},
  note = {Source identifier: 19710002917}
}