@misc{indiciae7e70ffe43878,
  title = {Digital phase-lock loop having an estimator and predictor of error},
  author = {Statman, Joseph I. and Hurd, William J.},
  year = {1988},
  url = {https://ntrs.nasa.gov/citations/19880019692},
  note = {Source identifier: 19880019692}
}