Abreu, C. Mª, J. Cristóbal, X. R. Nóvoa, G. Pena, and Mª C. Pérez. 2004. “Analysis of the Passive Layer Developed on Stainless Steels Implanted With Chromium”. Revista De Metalurgia 40 (3):224-29. https://doi.org/10.3989/revmetalm.2004.v40.i3.269.