@conference{250121,
  author = {Jon Pratt and David Newell and Zeina Kubarych and Stephan Schlamminger and Darine El and Ruimin Liu and Edwin Williams and Dave Inglis and Barry Wood and Carlos Sanchez and Richard Green},
  title = {The Planck constant, watt and vacuum balances, and an evolving Mise en pratique for the kilogram in North America},
  year = {2012},
  month = {2012-07-01},
  publisher = {Conference on Precision Electrical Measurements (CPEM) 2012, Conference Digest, Washington, DC},
  language = {en},
}