1. Fairbrother, F., The Chemistry of Niobium and Tantalum, Amsterdam: Elsevier, 1967. Translated under the title Khimiya niobiya i tantala, Moscow: Khimiya, 1972.
2. Mozalev, A., Sakairi, M., and Takahashi, H., J. Electrochem. Soc., 2004, vol. 151, pp. F257–F268.
3. Zainulin, Yu.G., Alyamovskii, S.I., Shveikin, G.P., and Popova, S.V., Zh. Neorg. Khim., 1978, vol. 23, pp. 1155–1157.
4. Lantelme, F., Barhoun, A., Li, G., and Besse, J.P., J. Electrochem. Soc., 1992, vol. 139, pp. 1249–1256.
5. Chamelot, P., Palau, P., Massot, L., Savall, A., and Taxil, P., Electrochim. Acta, 2002, vol. 47, pp. 3423–3429.