@conference{776736,
  author = {Joseph Kinard Jr. and Thomas Lipe Jr. and Clifton Childers},
  title = {Frequency Extension of the NIST AC-DC Difference Calibration Service for Current},
  year = {1993},
  month = {1993-07-01 00:07:00},
  publisher = {Proc. National Conference of Standards Laboratories Workshop and Symposium (NCSL), Albuquerque, NM},
  url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=19176},
  language = {en},
}