@conference{778086,
  author = {Paul Boynton and Edward Kelley},
  title = {Accurate Contrast-Ratio Measurements Using a Cone Mask},
  year = {1997},
  month = {1997-05-01 00:05:00},
  publisher = {Tech. Dig., 1997 Society for Information Display (SID) Symposium, Boston, MA, USA},
  url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=14813},
  language = {en},
}