@misc{indiciaeb3b42b1d8f86,
  title = {Trapped ion atomic clock development for space and ultra-stable ground applications},
  author = {Prestage, J.D. and Tjoelker, R.L. and Yi, L. and Burt, E.A.},
  year = {2019},
  url = {https://ntrs.nasa.gov/citations/20210012426},
  note = {Source identifier: 20210012426}
}