1. B. A. Boley and J. H. Weiner, Theory of Thermal Stresses (Wiley, New York, 1960; Mir, Moscow, 1964).
2. R. W. Gurtler, J. Cryst. Growth 50, 69 (1980).
3. M. I. Musatov, G. V. Anan’eva, and I. V. Morova, Opt. Mekh. Prom., No. 7, 39 (1978).
4. N. Miyazaki, T. Tamura, K. Kubashige, et al., J. Cryst. Growth 182, 73 (1997).
5. M. G. Mil’vidskii and V. B. Osvenskii, in Proceedings of IV All-Union Meeting on Crystal Growth (Erevan, 1972), p. 50.