Viswanathan, S., Jagadeesan, P., Misra, K. S., & Ramesh Babu, P. V. (2006). New Occurrence of Manganocolumbite from Late Proterozoic Pegmatites of Bhurpidungri, Jharsuguda District, Orissa. Journal of Geological Society of India, 67(4), 547–549. Retrieved from https://geosocindia.com/index.php/jgsi/article/view/82026