Андрійчук, В. А., М. І. Гнатович, and А. І. Герц. “ENERGY SAVING LIGHT SOURCES FOR LIGHTCULTURE”. Lighting Engineering & Power Engineering, no. 1 (January 13, 2016): 41–48. Accessed February 20, 2025. https://lepe.kname.edu.ua/index.php/lepe/article/view/310.