Supronowicz, Robert, Jiajie Fan, Maciej Listowski, Adam Watras, and Irena Fryc. “Application of Different Metrics for Describing Light Color Quality of White LED”. Photonics Letters of Poland 13, no. 2 (June 30, 2021): 31–33. Accessed May 2, 2024. http://www.photonics.pl/PLP/index.php/letters/article/view/13-11.