@misc{indiciae7a5900f32e5e,
  title = {Mercury Trapped Ion Frequency Standard for Ultra-Stable Reference Applications},
  author = {Burt, Eric A. and Hamell, Robert L. and Tucker, Blake C. and Larsen, Kameron and Tjoelker, Robert L.},
  year = {2017},
  url = {https://ntrs.nasa.gov/citations/20170009528},
  note = {Source identifier: 20170009528}
}