1. Thermal Capacity of Vitreous Silica
2. 2See, for example, J. E. Mayer, and M. G. Mayer , Statistical Mechanics . John Wiley & Sons, Inc., New York, 1940, 502 pp.
3. 3R. B. Sosman , Properties of Silica. American Chemical Society Monograph Series, No. 37, Chemical Catalog Co., Inc., New York, 1927 . 836 pp.Ceram. Abstr., 7 [7] 505 (1927 ).