Parashchuk, T., A. Zagorodnyuk, L. Nykyruy, B. Volochanska, and Mazur Т. “Thermodynamic Parameters of Lead Sulfide Chrystals in the Cubic Phase ”. Journal of Vasyl Stefanyk Precarpathian National University 3, no. 1 (July 7, 2016): 15–22. Accessed July 3, 2024. https://journals.pnu.edu.ua/index.php/jpnu/article/view/2664.