@conference{770876,
  author = {Paul Williams and William Swann and Nathan Newbury},
  title = {Optical frequency transfer over 38 km of installed fiber at less than 3x10<sup>-19</sup> residual fractional instability},
  year = {2007},
  month = {2007-07-23 00:07:00},
  publisher = {Optical Frequency and Time Measurement and Generatation, Portland, OR, US},
  url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=32641},
  language = {en},
}