“Some Aspects Regarding the Influence of the Tribologycal Factors on the Superficial Layers of Treated Steels with Plasma Nitriding”, Ann_UGAL_MMS, vol. 35, no. 4, pp. 88–94, Dec. 2012, Accessed: Nov. 02, 2026. Available: https://ojs.ugal.ro/index.php/mms/article/view/2872