@conference{56981,
  author = {Edward Kelley and John Penczek and Paul Boynton},
  title = {Character contrast under uniform ambient conditions},
  year = {2009},
  month = {2009-05-01},
  publisher = {Digest of Technical Papers of the Society for Information Display International Symposium, San Antonio, TX},
  url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=901973},
  language = {en},
}