HYDRATED BARIUM HAFNATE Статья Ivanov-Emin B.N., Kostrikin A.V., Spiridonov F.M., Lin'ko I.V., Ezhov A.I., Komissarova L.N., Kuznetsova R.V. Russian Journal of Inorganic Chemistry. IAPC Nauka/Interperiodica. Том 43. 1998. С. 1343-1345
