@article{46441,
  author = {Robert Schwall and David Zilz and Jeffrey Power and Charles Burroughs and Paul Dresselhaus and Samuel Benz},
  title = {Practical Operation of Cryogen-free Programmable Josephson Voltage Standards},
  year = {2011},
  number = {21},
  month = {2011-02-17},
  publisher = {IEEE Transactions on Applied Superconductivity},
  url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=906446},
  language = {en},
}