@misc{indiciaeea2da1d0539a,
  title = {Precision optical-frequency-difference measurements.},
  author = {RG DeVoe and C Fabre and K Jungmann and J Hoffnagle and RG Brewer},
  year = {1988},
  doi = {10.1103/physreva.37.1802},
  url = {https://pubmed.ncbi.nlm.nih.gov/9899866/},
  note = {Source identifier: 9899866}
}