1. ITU-R Recommendation BT. 709. Basic Parameter Values for the HDTV Standard for the Studio and for the International Program Exchange, ITU, 1211 Geneva 20, Switzerland, 1991.
2. CIE colour matching functions, http://cvrl.ioo.ucl.ac.uk/cmfs.htm.
3. CIE 116:1995 Industrial colour-difference evaluation, Technical Report, CIE, 1995.
4. CIE 142:2001 Improvement to industrial colour-difference evaluation, Technical Report, CIE, 2001.
5. CIE 170-1:2006 Fundamental chromaticity diagram with physiological axes - part 1, Technical Report, CIE, 2006. ISBN: 978 3 901906 46 6.