@conference{conference,
  author = {D Berkeland and James Bergquist and Wayne Itano and J Miller and B Young and David Wineland},
  title = {High-Performance Trapped Hg<sup>+</sup> Frequency Standards},
  year = {1998},
  month = {1998-07-06 00:07:00},
  publisher = {CPEM {\textquoteright}{\textquoteright}98 Digest , Washington, DC, USA},
  url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=105146},
  language = {en},
}