@misc{indiciae1f7a3e5f43d4,
  title = {Compact Microwave Mercury Ion Clock for Deep-Space Applications},
  author = {Prestage, John D. and Chung, Sang K. and Lim, Lawrence and Matevosian, Annond},
  year = {2007},
  url = {https://ntrs.nasa.gov/citations/20090032656},
  note = {Source identifier: 20090032656}
}