@conference{772471,
  author = {Leo Hollberg and Christopher Oates and Scott Diddams and G Wilpers and A Bartels and C Hoyt and Zeb Barber},
  title = {The era of coherent optical frequency references},
  year = {2004},
  month = {2004-09-29 00:09:00},
  publisher = {SOFM, Symposium on Optical Fiber Measurements, Boulder, CO, USA},
  url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=50046},
  language = {en},
}