@conference{770551,
  author = {Yi-hua Tang and June Sims},
  title = {Ratio Calibration of a Digital Voltmeter for Force Measurement Using the Programmable Josephson Voltage Standard},
  year = {2007},
  month = {2007-07-01 00:07:00},
  publisher = {NCSL International Workshop and Symposium, Saint Paul, MN, USA},
  url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=32647},
  language = {en},
}