1. P.H. Gaskell: “Structure and properties of glasses — how far do we need to go?”, J. Non-Cryst. Solids 222, 1–12 (1997)
2. J. Zarzycki:thu Glasses and Amorphous Materials, ed. by R.W. Cahn, P. Haasen, K.J. Kramer (VCH, Weinheim 1991)
3. A.K. Varshneya: Fundamentals of Inorganic Glasses (Academic Press, New York 1993)
4. S.R. Elliot: Physics of Amorphous Materials (Longman, Essex 1990)
5. W.H. Zachariasen: “Die Struktur der Gläser”, Glastechn. Ber. 11, 120–123 (1933)