1. (1) CIE: “COLORIMETRY —second edition—” Publication CIE No. 15.2 (1986)
2. (2) Japanese Standard Association: “Specification of Colours According to the CIE 1931 Standard colorimetric System and the CIE 1964 Supplementary Standard Colorimetric System” JIS Z 8701 (1982)
3. (3) Japanese Standard Association: “Colour specification— Specification according to their three attributes” JIS Z 8721 (1993)
4. (4) Japanese Standard Association: “Colour specification CIE LAB and CIE LUV colour spaces” JIS Z 8729 (1994)
5. (5) Japanese Standard Association: “Method for Specification of Colour Differences for Opaque Materials” JIS Z 8730 (1980)