„Synthesis and Spheroidization of Disperse High-Melting (Refractory) Powders in Plasma Discharge“. 2011. The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science 34 (3): 66-70. https://ojs.ugal.ro/index.php/mms/article/view/2943.