Listowski, M., Gajewski, B., Bałdyga, P., Szyjka, S., Stypułkowska, A., Supronowicz, R., & Fryc, I. (2025). Conversion Filters and Methodological Framework for Sustainable LED Urban Lighting. Photonics Letters of Poland, 17(4), 79–81. https://doi.org/10.4302/plp.v17i4.1363