USHCHAPIVSKA, T. I.; ZATOVSKY, I. V.; SLOBODYANIK, M. S.; KUZMIN, R. M. Conductive properties of solid solutions Na3????2xFe2????xNbx(PO4)3 (x = 0  1:5). Reports of the National Academy of Sciences of Ukraine, Kyiv, Ukraine, n. 5, p. 95–100, 2024. DOI: 10.15407/dopovidi2016.05.095. Disponível em: https://nasu-periodicals.org.ua/index.php/dp/article/view/10460. Acesso em: 23 dec. 2024.