SIMANDL, George J.; BURT, Richard O.; TRUEMAN, David L.; PARADIS, Suzanne. Economic Geology Models 4. Tantalum and Niobium: Deposits, Resources, Exploration Methods and Market – A Primer for Geoscientists. Geoscience Canada, [S. l.], v. 45, n. 2, p. 85–96, 2018. DOI: 10.12789/geocanj.2018.45.135. Disponível em: https://journals.lib.unb.ca/index.php/GC/article/view/26003. Acesso em: 27 apr. 2024.