@misc{indiciaeca81f0c032b8,
  title = {Intermodulation distortion of a phase locked loop demodulator.},
  author = {Schilling, D. L. and Smirlock, M.},
  year = {1967},
  url = {https://ntrs.nasa.gov/citations/19670049979},
  note = {Source identifier: 19670049979}
}