„Tribological Performance of Graphene and Graphene Oxide Films as Solid Lubricant Layers on Tool Steel Surfaces“ (2024) Annals of ”Dunarea de Jos” University of Galati, Fascicle V, Technologies in machine building, 38(1). Verfügbar unter: https://ojs.ugal.ro/index.php/tmb/article/view/6722 (Zugegriffen: 2 November 2026).