1. 1-38. Recommended practice for tabulating spectral data for use in colour computations, Draft. 9. 2004.
2. Joint ISO/CIE standard ISO 10526/CIE S005/E, CIE standard illuminants for colorimetry; 1999.
3. Joint ISO/CIE standard ISO/CIE 10527(E): 1991, CIE S 002-1986, CIE Colorimetric observers; 1991.
4. CIE. Publication No. 15, Colorimetry; 2004.
5. CIE. Publication No. 63, The spectroradiometric measurement of light sources; 1984.