RIZNICHENKO, j. v. On quantitative determination and mapping of seismic activity. Annals of Geophysics, [S. l.], v. 12, n. 2, p. 227–237, 1959. DOI: 10.4401/ag-5720. Disponível em: https://www.annalsofgeophysics.eu/index.php/annals/article/view/5720. Acesso em: 27 apr. 2024.