1. The mixed alkali effect in glass
2. 2(a) K. K. Evstrop'ev, and E. A. Porai-Koshits ; pp.237 -40 inStructure of Glass , Vol. II . Consultants Bureau, New York, 1960 .
3. (b)K. K. Evstrop'ev, V. K. Pavlovskii, and E. A. Porai-Koshits ; pp.103 -106 inStructure of Glass , Vol. VII . Consultants Bureau, New York, 1966 .
4. Diffusion and Internal Friction in Na-Rb Silicate Glasses