SAHU, K. C.; GURAV, R. P. The Nature and Origin of the Blue Dust in Precambrian Sedimentary Iron Ores. Journal of Geological Society of India, [S. l.], v. 13, n. 1, p. 30–38, 1972. Disponível em: https://geosocindia.com/index.php/jgsi/article/view/61587. Acesso em: 20 sep. 2024.