« Properties Corelation in Sintered Hard Alloys with High Toughness and Strenght ». The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science, vol. 30, nᵒ 1, mai 2007, p. 90-93, https://ojs.ugal.ro/index.php/mms/article/view/3183.