„Behavior of 1% Cr Steels at Fluidized Bed Nitrocarburizing“. The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science, Bd. 28, Nr. 1, Mai 2005, S. 81-85, https://ojs.ugal.ro/index.php/mms/article/view/3278.