1. A. N. Guz', F. G. Makhort, and O. I. Gushcha, Introduction to Acoustoelasticity [in Russian], Naukova Dumka, Kiev (1977).
2. O. I. Gushcha and F. G. Makhort, "Nonlinear properties in the propagation of waves in rigid bodies with initial stresses," Prikl. Mekh.,22, No. 1, 7?12 (1986).
3. F. G. Makhort, "Some acoustic relations of Rayleigh waves for determination of stresses in deformable bodies," ibid.,14, No. 10, 123?125 (1978).
4. F. G. Makhort, O. I. Gushcha, and A. A. Chernoochenko, "Theory of acoustoelasticity of Rayleigh surface waves," ibid.,26, No. 4, 35?41 (1990).
5. A. A. Chernoochenko, F. G. Makhort, and O. I. Gushcha, "Use of the theory of acoustoelasticity of Rayleigh surface waves for determination of stresses in solids," ibid.,27, No. 1, 44?46 (1991).