TANASUCA, S.; ALEXANDRU, I.; STRUGARU, S. I.; ALEXANDRU, A. Thin Metallic Superficial Layers With Special Properties Deposed on Steels by Electric Discharge in Impulse. The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science, v. 29, n. 1, p. 85-88, 15 maio 2006.