SINGH, D. D. Determination of upper mantle velocity structure using the P and S waves spectra. Annals of Geophysics, [S. l.], v. 35, n. 1, p. 147–164, 1982. DOI: 10.4401/ag-4675. Disponível em: https://www.annalsofgeophysics.eu/index.php/annals/article/view/4675. Acesso em: 4 aug. 2021.