@article{63041,
  author = {Christopher Oates and E Curtis and Leo Hollberg},
  title = {Improved Short-Term Stability of Optical Frequency Standards: Approaching 1 Hz in 1 s with the Ca Standard at 657 nm},
  year = {2000},
  number = {25},
  month = {2000-01-01},
  publisher = {Optics Letters},
  url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=105041},
  language = {en},
}