@conference{201601,
  author = {Paul Williams},
  title = {PMD Measurement Techniques - Avoiding Measurement Pitfalls},
  year = {2002},
  month = {2002-06-01},
  publisher = {Venice Summer School on Polarization Mode Dispersion, Venice, IT},
  url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=30095},
  language = {en},
}