Aballe, A., M. Bethencourt, F. J. Botana, and M. Marcos. “Monitoring of Different Corrosion Types through the Application of Wavelet Transform to Current Noise Records”. Revista De Metalurgia, vol. 35, no. 6, Dec. 1999, pp. 384-91, doi:10.3989/revmetalm.1999.v35.i6.647.