M. A. Andreeva and R. N. Kuz’min, Mössbauer and X-Ray Optics of Surface (Obshchenats. Akad. Znanii, Moscow, 1996) [in Russian].
L. D. Landau and E. M. Lifshitz, Course of Theoretical Physics, Vol. 8: Electrodynamics of Continuous Media (Nauka, Moscow, 1982; Pergamon, New York, 1984).
Z. G. Pinsker, X-Ray Crystal Optics (Nauka, Moscow, 1982) [in Russian].
A. Nayfeh, Introduction to Perturbation Techniques (Wiley, New York, 1981; Mir, Moscow, 1984).
V. B. Molodkin, A. P. Shpak, A. A. Dyshekov, and Yu. P. Khapachev, Dynamic Scattering of X-Ray and Synchrotron Emission in Superlattices. X-Ray Diffraction Crystal Optics of Superlattices (Akademperiodika, Kiev, 2004) [in Russian].
V. A. Bushuev and A. P. Oreshko, Fiz. Tverd. Tela 43, 906 (2001) [Phys. Solid State 43, 941 (2001)].