1. O. V. Khiminets, V. S. Gerasimenko, V. V. Khiminets, I. D. Turyanitsa and K. I. Pinzenik, Zh. Prikl. Khim., Leningrad, 51 (1978) 1522.
2. V. V. Khiminets and V. S. Gerasimenko, Izv. Akad. Nauk SSSR, Ser. Neorg. Mater., 16 (1980) 984.
3. Z. A. Munir, L. E. Fuke and E. Kay, J. Non-Cryst. Solids, 12 (1973) 435.
4. D. M. Petrovic, S. R. Lukic, M. I. Avramov and V. V. Khiminets, J. Mater. Sci. Lett., 5 (1986) 290.
5. V. V. Khiminets, V. S. Gerasimenko and O. V. Khiminets, Izv. Akad. Nauk SSSR, Ser. Neorg. Mater., 19 (1983) 62.