P. S. NITA, “Solutocapillary Effects of Sulphur in CaO-Al2O3 Slags, in Marangoni Instability and Convection Onset, Related to the Desulphurization of low Carbon, Aluminium Killed Steels”, The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science, vol. 33, no. 3, pp. 5-14, Sep. 2010.