@misc{indiciae8eced8cf4b36,
  title = {Atomic ion clock with two ion traps, and method to transfer ions},
  author = {Prestage, John D. and Chung, Sang K.},
  year = {2011},
  url = {https://ntrs.nasa.gov/citations/20110023485},
  note = {Source identifier: 20110023485}
}