1. E. A. Porai-Koshits, V. V. Golubkov, A. P. Titov, Proc. X Intern. Congr. on Glasses, Kyoto, 12, N 1, 1, 1974.
2. V. V. Golubkov, A. P. Titov, E. A. Porai-Koshits, Fiz. Khim. Stekla, 1, 394, 1975.
3. J. Krogh-Moe, J. Non-Crystalline Solids, 6, 269, 1969.
4. J. Krogh-Moe, Phys. Chem. Glasses, 1, 26, 1960.
5. R. Roy, Proc. Symposium on Nucleation and Crystalliz. of Glasses and Melts, Ed. by M. K. Reser, G. Smith, H. Insley, Am. Cer. Soc. Inc., Columbus, Ohio, p. 39, 1962.