1. T.A. Edison, T.A. Edison's Patent Application for an incandescent light bulb, US patent: US223898 (A) (1880).
2. Book: NANO-STRUCTURES FOR OPTICS and PHOTONICS: Optical Strategies for Enhancing Sensing, Imaging, Communications, and Energy Conversion;Cesaria,2015
3. Nomenclature and Definitions for Illuminating Engineering, ANSI / IES RP-16-10;The IES Nomenclature Committee and American National Standards Institute,2010
4. Measuring Color;Hunt,1995
5. Vienna, Austria, Method of Measuring and Specifying Color Rendering Properties of Light Sources;CIE Publication 13.3- Central Bureau Of the CIE;Color Research & Application,1995