@conference{202176,
  author = {Yi-hua Tang},
  title = {JOSEPHSON VOLTAGE STANDARD INTERCOMPARISON},
  year = {2007},
  month = {2007-09-01},
  publisher = {Proc. VII Semetro, Belo Horizonte, BR},
  url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=32759},
  language = {en},
}