Abreu, C. M., M. J. Cristóbal, R. Merino, X. R. Nóvoa, G. Pena, and M. C. Pérez. “Electrochemical Behaviour of an AISI 430 Stainless Steel Implanted With Cerium”. Revista De Metalurgia, vol. 38, no. 5, Oct. 2002, pp. 315-2, doi:10.3989/revmetalm.2002.v38.i5.414.