References
- AstonS. M. and BellchambersH.E., “Illumination, Colour Rendering and Visual Clarity”, Ltg. Res. & Tech., 1 259–261 (1969).
- BellchambersH.E. and GodbyA.C., “Illumination, Colour Rendering, and Visual Clarity”, Ltg. Res. & Tech., 4, 104–106 (1972).
- ThorntonW.A. and ChenE., “What is Visual Clarity”, Journal of the Illuminating Engineering Society of North America, 7, 85494 (1978).
- WortheyJ.A. “Opponent-Colors Approach to Color Rendering”, J. Opt. Soc. Am., 72, 74–82 (1982).