SKEBERIS, C.; XENOS, D. T.; XENOS, T. D.; CONTADAKIS, M. E.; ARABELOS, D.; CHATZOPOULOU, G. Application of empirical mode decomposition to very low frequency signals for identification of seismic-ionospheric precursor phenomena. Annals of Geophysics, [S. l.], v. 55, n. 1, 2012. DOI: 10.4401/ag-5312. Disponível em: https://www.annalsofgeophysics.eu/index.php/annals/article/view/5312. Acesso em: 18 oct. 2021.