Boynton, P.
and Kelley, E.
(1997),
Accurate Contrast-Ratio Measurements Using a Cone Mask, Tech. Dig., 1997 Society for Information Display (SID) Symposium, Boston, MA, USA, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=14813
(Accessed September 15, 2024)