@conference{778756,
  author = {Mark Keller and John Martinis and Neil Zimmerman},
  title = {A Capacitance Standard Based on Counting Electrons: Progress Report},
  year = {1998},
  month = {1998-07-01 00:07:00},
  publisher = {Tech. Dig., Conf. on Precision Electromagnetic Measurements, Washington, DC},
  url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=24190},
  language = {en},
}