E. TH., SAVABENSKY; N. G., VALDNER. Observations of Lg and Rg waves from the Black Sea basin earthquakes. Annals of Geophysics, [S. l.], v. 13, n. 2, p. 129–134, 1960. DOI: 10.4401/ag-5469. Disponível em: https://www.annalsofgeophysics.eu/index.php/annals/article/view/5469. Acesso em: 16 may. 2026.