@misc{indiciaea83fc4270f90,
  title = {An all digital phase locked loop for FM demodulation.},
  author = {Greco, J. and Garodnick, J. and Schilling, D. L.},
  year = {1972},
  url = {https://ntrs.nasa.gov/citations/19720057207},
  note = {Source identifier: 19720057207}
}