DEMYANYSHYN, N. M. Relaxation of Static Photoelasticity in Lead Germanate Crystals. Ukrainian Journal of Physics, [S. l.], v. 60, n. 3, p. 273, 2019. DOI: 10.15407/ujpe60.03.0273. Disponível em: https://ujp.bitp.kiev.ua/index.php/ujp/article/view/2019265. Acesso em: 28 mar. 2024.