« The Process Involved in Making the Medals ». The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science 33, no. 1 (mars 15, 2010): 16–19. Consulté le novembre 2, 2026. https://ojs.ugal.ro/index.php/mms/article/view/3014.