WESTERHAUSEN, H. UBER DIE ORTUNG MIKROSEISMISCHER UNRUHEHERDE. Annals of Geophysics, [S. l.], v. 7, n. 1, p. 71–124, 1954. DOI: 10.4401/ag-5695. Disponível em: https://www.annalsofgeophysics.eu/index.php/annals/article/view/5695. Acesso em: 19 apr. 2024.