TY - CONF AU - Edward Kelley AU - John Penczek AU - Paul Boynton C2 - Digest of Technical Papers of the Society for Information Display International Symposium, San Antonio, TX DA - 2009-05-01 LA - en PB - Digest of Technical Papers of the Society for Information Display International Symposium, San Antonio, TX PY - 2009 TI - Character contrast under uniform ambient conditions UR - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=901973 ER -