@misc{indiciaee4125a0b3fe6,
  title = {Next Generation JPL Ultra-Stable Trapped Ion Atomic Clocks},
  author = {Burt, Eric and Tucker, Blake and Larsen, Kameron and Hamell, Robert and Tjoelker, Robert},
  year = {2013},
  url = {https://ntrs.nasa.gov/citations/20150008013},
  note = {Source identifier: 20150008013}
}