Lobanov, Ye., G. Nikitsky, O. Petchenko, and G. Petchenko. “The Essence and Application of the Optical Absorption Method for Quantitative and Qualitative Analysis of Radiation Defects in Optical Crystals”. Lighting Engineering & Power Engineering 3, no. 59 (November 27, 2020): 97–100. Accessed April 3, 2025. https://lepe.kname.edu.ua/index.php/lepe/article/view/449.