@conference{195706,
  author = {Yui-May Chang},
  title = {The Transfer, Maintenance, and Dissemination of Low-Frequency Impedance at NIST},
  year = {1998},
  month = {1998-09-15},
  publisher = {Proc., International Conference on Electrical Metrology (SEMETRO), Rio de Janeiro, BR},
  language = {en},
}