UGALDE, A. The Ebre Observatory seismological station: past and present instrumentation and noise conditions. Annals of Geophysics, [S. l.], v. 46, n. 4, p. 609–624, 2003. DOI: 10.4401/ag-4376. Disponível em: https://www.annalsofgeophysics.eu/index.php/annals/article/view/4376. Acesso em: 18 jul. 2024.