@misc{indiciae98ce5be15ea1,
  title = {Dual-Ion-Trap Frequency Standards With Overlapping Cycles},
  author = {Dick, G. John and Prestage, John D.},
  year = {1992},
  url = {https://ntrs.nasa.gov/citations/19920000398},
  note = {Source identifier: 19920000398}
}