@conference{207031,
  author = {Michael Lombardi},
  title = {The Use of GPS Disciplined Oscillators as Primary Frequency Standards for Calibration Laboratories},
  year = {2008},
  month = {2008-08-04},
  publisher = {Proc. NCSLI Conf., Orlando, FL},
  url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=842470},
  language = {en},
}