DEL MONTE, M.; NANNI, T.; TAGLIAZUCCA, M. The origin of black magnetic spherules through a study of their chemical, physical and mineralogieal characteristics. Annals of Geophysics, [S. l.], v. 29, n. 1-2, p. 9–25, 1976. DOI: 10.4401/ag-4789. Disponível em: https://www.annalsofgeophysics.eu/index.php/annals/article/view/4789. Acesso em: 25 apr. 2024.