@article{179856,
  author = {Joseph Achkar and Andreas Bauch and R Dach and R Hlavac and Luca Lorini and Thomas Parker and G. Petit and Dirk Piester and P Uhrich and K Szymaniec},
  title = {Comparison between frequency standards in Europe and the USA at the 10<sup>&#8722;15</sup>uncertainty level},
  year = {2006},
  number = {43},
  month = {2006-02-01},
  publisher = {Metrologia},
  url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=50344},
  language = {en},
}