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2. Beitrag zur spezifischen Wärme der Gläser;Schwiete;Glastech. Ber,1955
3. Heats of solution and formation of silicates of sodium and calcium;Kröger;Glastech. Ber,1956
4. Note on calculation of effect of temperature and composition on specific heat of glass;Moore;J. Am. Ceram. Soc,1958
5. Thermodynamic properties of minerals and related substances at 298.15K and 1bar (105 Pascals) pressure and at high temperatures;Robie,1978