Citation: Sizova, R.G.; Blinov, V.A.; Belov, N.V.; Voronkov, A.A.; Ilyukhin, V.V. (1981). The refined structure of Na4 Zr2 (Si O4)3 and its place in the series of mixed frameworks with the general formula M2 (T O4)3. Kristallografiya, 26, pp. 293-300.