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Dias da Cunha, K.; Santos, M.; Zouain, F.; Carneiro, L.; Pitassi, G.; Lima, C.; Barros Leite, C. V.; Dália, K. C. P. (May 8, 2009). "Dissolution Factors of Ta, Th, and U Oxides Present in Pyrochlore". Water, Air, & Soil Pollution. 205 (1–4): 251–257. doi:10.1007/s11270-009-0071-3. ISSN0049-6979. S2CID93478456.
Dias da Cunha, K.; Santos, M.; Zouain, F.; Carneiro, L.; Pitassi, G.; Lima, C.; Barros Leite, C. V.; Dália, K. C. P. (May 8, 2009). "Dissolution Factors of Ta, Th, and U Oxides Present in Pyrochlore". Water, Air, & Soil Pollution. 205 (1–4): 251–257. doi:10.1007/s11270-009-0071-3. ISSN0049-6979. S2CID93478456.