„Materials Used for Manufacturing Some Objects from 1600 before Christ – 500 after Christ Period“. The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science, Bd. 33, Nr. 1, März 2010, S. 26-32, https://ojs.ugal.ro/index.php/mms/article/view/3016.