CIE 1974 general colour rendering index
mean of the CIE 1974 special colour rendering indices for a specified set of eight test colour samples
Note 1 to entry: See also CIE 13
Note 2 to entry: This entry was numbered 845-02-63 in IEC 60050-845:1987.
Note 3 to entry: This entry was numbered 17-154 in CIE S 017:2011.