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Shikika, A.; Sethurajan, M.; Muvundja, F.; Mugumaoderha, M.C.; Gaydardzhiev, St. (2020). "A review on extractive metallurgy of tantalum and niobium". Hydrometallurgy. 198. Bibcode:2020HydMe.19805496S. doi:10.1016/j.hydromet.2020.105496.
Mitchell, Roger H.; Mariano, Anthony N. (2016). "Primary phases in aluminous slags produced by the aluminothermic reduction of pyrochlore". Mineralogical Magazine. 80 (2): 383–397. Bibcode:2016MinM...80..383M. doi:10.1180/minmag.2016.080.009.
Zhang, Shuhui; Rao, Mingjun; Xiao, Rendong; You, Jinxiang; Li, Guanghui (2022). "Beneficiation of Nb and Ti carbides from pyrochlore ore via carbothermic reduction followed by magnetic separation". Minerals Engineering. 180. Bibcode:2022MiEng.18007492Z. doi:10.1016/j.mineng.2022.107492.