@misc{indiciaea4095546a35d,
  title = {Improved performance of a digital phase-locked loop combined with a frequency/frequency-rate estimator},
  author = {Mileant, A. and Simon, M.},
  year = {1986},
  url = {https://ntrs.nasa.gov/citations/19870001613},
  note = {Source identifier: 19870001613}
}