1. Model of saturation and brightness: Relations with luminance
2. Committee on Colorimetry, Optical Society of America. Science of Color. Washington: Optical Society of America; 1957.
3. Photometric Relationships Between Complementary Colors*
4. . Color Science: Concepts and Methods, Quantitative Data and Formulae, 2nd edition. New York: Wiley; 1982.
5. CIE Publication 15.2, Colorimetry, CIE Central Bureau, Paris, 1986.