@article{223096,
  author = {Thomas Bartel},
  title = {Force Key Comparison CCM.F-K4.a and CCM.F-K4.b for 4 MN and 2 MN Forces},
  year = {2012},
  number = {49},
  month = {2012-03-29},
  publisher = {Metrologia},
  url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=904812},
  language = {en},
}