@article{202366,
  author = {Nathan Newbury and Paul Williams and William Swann},
  title = {Coherent transfer of an optical carrier over 251 km},
  year = {2007},
  number = {32},
  month = {2007-10-15},
  publisher = {Optics Letters},
  url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=32716},
  language = {en},
}