Tarazona, B.E., Sandoval R, C.L., Cárdenas Arias, C.G., Ascanio V., J.G. y Valencia N., J.J. 2020. Detection of structural alterations in metal bodies: An approximation using Fourier transform and principal component analysis (PCA). Scientia et Technica. 25, 2 (jun. 2020), 255–260. DOI:https://doi.org/10.22517/23447214.23501.