1. P. Bedros, Sklá? a Keramik,34, No. 12, 349?354 (1984).
2. V. A. Sokolov, O. N. Popov, and M. N. Shatalov, Ogneupory, No. 9, 29?32 (1983).
3. V. A. Sokolov, O. N. Popov, and M. N. Shatalov, in: Glass/Proceedings of the State Institute for Glass [in Russian], No. 1, Stroiizdat, Moscow (1980), pp. 26?32.
4. D. L. Orlov, V. V. Kiryukhin, O. N. Popov, et al., Steklo Keram., No. 4, 12?13 (1986).
5. V. A. Sokolov and V. V. Kiryukhin, in: Investigations in the Area of Refractories for Glass-Melting Furnaces/Proceedings of the State Institute for Glass [in Russian], Min. Pronysh. Stroi. Mater. SSSR, Moscow (1984), pp. 34?40.