1. V. S. Postnikov, Internal Friction in Metals (Metallurgiya, Moscow, 1974) [in Russian].
2. N. P. Yaroslavtsev, Doctoral Dissertation (Voronezh Polytechnical Inst., Voronezh, 1992).
3. F. A. Kröger, The Chemistry of Imperfect Crystals (Wiley, New York, 1964; Mir, Moscow, 1969).
4. T. T. Dedegkaev, N. E. Mokrousov, V. A. Moshnikov, and D. A. Yas’kov, Zh. Fiz. Khim. 57, 1556 (1983).
5. T. T. Dedegkaev, N. E. Mokrousov, V. A. Moshnikov, and D. A. Yaskov, Cryst. Res. Technol. 8(11), 119 (1983).