@misc{indiciae30ffdebe754b,
  title = {Frequency and time standards based on stored ions},
  author = {Bollinger, J. J. and Wineland, D. J. and Itano, W. M. and Bergquist, J. C. and Prestage, J. D.},
  year = {1984},
  url = {https://ntrs.nasa.gov/citations/19850020911},
  note = {Source identifier: 19850020911}
}