KEVSHYN, A.H.; HALYAN, V. V.; SEMENYUK, T. A. The Processes of Energy Transformation in Activated Laser Materials with Ions Er3 (Review). Physics and Chemistry of Solid State, [S. l.], v. 16, n. 2, p. 245–252, 2015. DOI: 10.15330/pcss.16.2.245-252. Disponível em: https://journals.pnu.edu.ua/index.php/pcss/article/view/1665. Acesso em: 7 may. 2024.