@article{123601,
  author = {Michael Lombardi and L Nelson and Andrew Novick and Victor Zhang},
  title = {Time and Frequency Measurements Using the Global Positioning System (GPS)},
  year = {2001},
  number = {8},
  month = {2001-01-01},
  publisher = {Cal Lab Int'l J Metrol},
  url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=105004},
  language = {en},
}