1. S. P. Nikanorov and B. K. Kardashev, Elasticity and Dislocation Inelasticity of Crystals [in Russian], Nauka, Moscow (2004).
2. É. P. Belozerova and A. A. Svetashov, Paper No. 5059 deposited at VINITI, Kostroma (1984).
3. É. P. Belozerova, Russ. Phys. J., No. 1, 43–47 (1986).
4. A. Granato and K. Lücke, Physical Acoustics, V. 4, Part A [Russian translation], Mir, Moscow (1969), pp. 261–319.
5. D. C. Phillips and P. L. Pratt, Phil. Mag., 22, No. 178, 809–814 (1970).