HYDRATED BARIUM HAFNATE ArticleIvanov-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. Vol. 43. 1998. P.. 1343-1345
