RIGHETTI, Flavia et al. Wavelet analysis of the LF radio signals collected by the European VLF/LF network from July 2009 to April 2011. Annals of Geophysics, [S. l.], v. 55, n. 1, 2012. DOI: 10.4401/ag-5188. Disponível em: https://www.annalsofgeophysics.eu/index.php/annals/article/view/5188. Acesso em: 31 mar. 2026.