1. V. S. Zemskov, A. D. Belaya, U. S. Beluy, and G. N. Kozhemyakin, J. Cryst. Growth 212, 161 (2000).
2. H. J. Goldsmit, in Proceedings of the 26th International Conference on Thermoelectric Energy Conversion, Nancy, France,
2007, p. 357.
3. H. J. Goldsmid, Springer Ser. Mater. Sci. 121, 153 (2016).
4. L. D. Ivanova, V. S. Zemskov, S. Ya. Skipidarov, and Ni. I. Duvankov, Inorg. Mater. 44, 687 (2008).
5. D. K. Bulychev, B. I. Beresnev, M. G. Gaidukov, et al., Fiz. Met. Metalloved. 18, 778 (1964).