Santillana, B., J. Madías, M. Dziuba, M. Oropeza, and E. Fernández. “Elimination of Slag Entrapment and Cold Drops in Continuous Casting Steel Billets”. Revista De Metalurgia, vol. 38, no. 6, Dec. 2002, pp. 433-50, doi:10.3989/revmetalm.2002.v38.i6.430.