1. 1R. H. Doremus, and J. D. Mackenzie ; pp.1 -71 inModern Aspects of the Vitreous State , Vol. 2 . Butterworth & Co. (Publishers) Ltd., London, 1962 .
2. 3K. K. Evstrop'ev ; pp.237 -40 inThe Structure of Glass , Vol. II . Consultants Bureau, New York, 1960 .
3. Transference Numbers for Electrical Conduction in Glass
4. Diffusion of Ions in Some Simple Glasses