@conference{85856,
  author = {Roger Marks and Dylan Williams},
  title = {Verification of Commercial Probe-Tip Calibrations},
  year = {1993},
  number = {24},
  month = {1993-12-01},
  publisher = {Tech Dig.,  Auto. RF Tech. Group Conf., San Jose, CA},
  doi = {https://doi.org/10.1109/ARFTG.1993.327039},
  language = {en},
}