« Establishing of Rolling - Friction Coefficient, for Hertzian Contacts Between Steel Balls and Different Kinds of Thermochemical Treated Steel Surfaces », Ann_UGAL_MMS, vol. 28, nᵒ 2, p. 41–47, nov. 2005, Consulté le: nov. 02, 2026. Disponible sur: https://ojs.ugal.ro/index.php/mms/article/view/3249