@misc{indiciae84a86a56df05,
  title = {Linear ion trap based atomic frequency standard},
  author = {Prestage, John D. and Dick, G. J. and Maleki, Lute},
  year = {1991},
  url = {https://ntrs.nasa.gov/citations/19910055176},
  note = {Source identifier: 19910055176}
}