« New Achievements in Manufacturing of Church Bells ». The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science 33, no. 3 (septembre 15, 2010): 42–46. Consulté le novembre 2, 2026. https://ojs.ugal.ro/index.php/mms/article/view/2989.