Freik, D.M., and L.V. Turovska. “Crystal-Quasichemical Analysis of Defect Subsystem of Doped PbTe: Sb Crystals and Pb-Sb-Te Solid Solutions”. Journal of Vasyl Stefanyk Precarpathian National University 1, no. 1 (May 5, 2014): 55–63. Accessed April 27, 2024. https://journals.pnu.edu.ua/index.php/jpnu/article/view/1912.