@misc{indiciae5fddd8783b12,
  title = {Suppressed carrier tracking for two-channel phase-modulated telemetry},
  author = {Butman, S. and Timor, U.},
  year = {1970},
  url = {https://ntrs.nasa.gov/citations/19710039730},
  note = {Source identifier: 19710039730}
}