1. M. I. Krivosheev and A. K. Kustarev, Color Measurements [in Russian], Énergoatomizdat, Moscow (1990).
2. N. S. Shchepina, Principles of Color Engineering [in Russian], Énergoatomizdat, Moscow (1985).
3. Principles of Optical Radiometry [in Russian], Fizmatlit, Moscow (2003).
4. Publication CIE No. 15. Colorimetry. Official Recommendations of the International Commission on Illumination, Paris (1971).
5. GEPVP Code of Practice for in-situ Measurement and Evaluation of the Color of Coated Glass Used in Facades, Brussels (2005).