1. Belyustin, A.A. and Shultz, M.M., Interdiffusion and Accompanying Processes in Surface Layers of Alkali Silicate Glasses treated with Aqueous Solutions, Fiz. Khim. Stekla, 1983, vol. 9, no. 1, pp. 3–27.
2. Smirnova, N.A., Molekulyarnye teorii rastvorov (Molecular Theories of Solutions), Leningrad: Khimiya, 1987 [in Russian].
3. Takashi, K. and Yoshio, T., Heats of Mixing in Mixed Alkali Glasses, Zairyo Kagaku (J. Soc. Mater. Sci. Jpn.), 1977, vol. 26, no. 287, pp. 785–790.
4. Rogez, J. and Mathieu, J.-C., Entalpie de Formation dans le Systeme Na2O-K2O-SiO2, Phys. Chem. Liq., 1985, vol. 14, no. 14, pp. 259–271.
5. Choudary, U.V., Gaskell, D.R., and Belton, G.R., Thermodynamics of Mixing in Molten Sodium-Potassium Silicates at 1100°C: The Effect of a Calcium Oxide Addition, Metall. Trans. B, 1977, vol. 8, no. 1, pp. 67–71.