References
- Kumar, S., ‘Thermal expansion of simple ionic crystals, Proc. Nat. Inst. Sci., 25A. 364 (1959).
- Kumar, S., ‘Thermal expansion of oxides’, Cent’ Glass. Ceram. Res. Inst. Bull., 1 (2), 58–69 (1960).
- Gupta, P.K. and Kumar, S., ‘Thermal expansion, composition and structure of glass—Part I’ Trans. Ind. Ceram. Soc., 22 (2), 37–46 (1963).
- Partington, J.R., An advanced treatise on physical chemistry, 3, Longman, Green & Co., London, U.K. Chapter IXN (1952).
- Smyth, H.T., Skogan, H.S. and Harsell, W.B., ‘Thermal capacity of vitreous silica, Jour’ Amer. Ceram. Soc., 36, 327 (1953).
- Kumar, S., ‘Optical absorption of glasses containing ions with partially filled 3D-orbitals’, Cent. Glass. Ceram. Res. Inst. Bull., 6 (3), 99–126 (1959).