„Tribological Behaviour of Nitrocarburized Steels after Thermo-Magnetic Treatments“. The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science, Bd. 31, Nr. 1, Mai 2008, S. 68-75, https://ojs.ugal.ro/index.php/mms/article/view/3127.