1. International Color Consortium.
http://www.color.org/
2. ICC.1:2001-04 File Format for Color Profiles
3. ISO 15076-1:2010 Image technology colour management - Architecture, profile format, and data structure
4. Hunt, R.: Objectives in colour reproduction. J. Photographic Sci. 18, 205–215 (1970)
5. Lam, K.L.: Metamerism and Colour Constancy. Ph.D. thesis, University of Bradford (1985)