@conference{179376,
  author = {Michael Lombardi and Andrew Novick},
  title = {Effects of the Rooftop Environment on GPS Time Transfer},
  year = {2006},
  month = {2006-12-05},
  publisher = {Proc. 2006 Precise Time and Time Interval Meeting, Reston, VA},
  url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=50476},
  language = {en},
}