@misc{indiciae9423eced88e5,
  title = {A study of the extended linear range phase lock loop},
  author = {Lindenlaub, J. C. and Olsen, D. P.},
  year = {1968},
  url = {https://ntrs.nasa.gov/citations/19680026667},
  note = {Source identifier: 19680026667}
}