MYRONYUK, I.F.; KOVAL, I.M.; MANDZYUK, V.I.; YAREMIY, I.P. Impurity Elements in a Lead Seals and Stamps of Middle Ages and Phase Composition of Their Patina . Physics and Chemistry of Solid State, [S. l.], v. 17, n. 3, p. 430–434, 2016. DOI: 10.15330/pcss.17.3.430-434. Disponível em: https://scijournals.pnu.edu.ua/index.php/pcss/article/view/1261. Acesso em: 8 may. 2024.