YAMAZAKI, K. An analytical expression for early electromagnetic signals generated by impulsive line-currents in conductive Earth crust, with numerical examples. Annals of Geophysics, [S. l.], v. 59, n. 2, p. G0212, 2016. DOI: 10.4401/ag-6867. Disponível em: https://www.annalsofgeophysics.eu/index.php/annals/article/view/6867. Acesso em: 8 may. 2024.