Listowski, Maciej, Piotr Bałdyga, Błażej Gajewski, and Irena Fryc. “Nominal CCT Is an Insufficient Predictor of Melanopic Efficacy: Statistical Evidence from Measured Neutral-White LED Light Sources”. Photonics Letters of Poland 18, no. 2 (July 1, 2026): 23–25. Accessed July 28, 2026. http://www.photonics.pl/PLP/index.php/letters/article/view/18-8.