VISWANATHAN, S.; JAGADEESAN, P.; MISRA, K. S.; RAMESH BABU, P. V. New Occurrence of Manganocolumbite from Late Proterozoic Pegmatites of Bhurpidungri, Jharsuguda District, Orissa. Journal of Geological Society of India, [S. l.], v. 67, n. 4, p. 547–549, 2006. Disponível em: https://geosocindia.com/index.php/jgsi/article/view/82026. Acesso em: 20 sep. 2024.