1. A. V. Vinogradov, I. A. Brytov, A. Ya. Grudskii, M. T. Kogan, I. V. Kozhevnikov, and V. A. Slemzin, Mirror X-Ray Optics (Mashinostroenie, Leningrad, 1989) [in Russian].
2. S. K. Lynch, C. Liu, N. Y. Morgan, X. Xiao, A. A. Gomella, D. Mazilu, E. E. Bennett, L. Assoufid, F. de Carlo, and H. Wen, J. Micromech. Microeng. 22,105007(2012).
3. V. I. Punegov, D. V. Irzhak, and D. V. Roshchupkin, in Proceedings of the 11th Biennial Conference on High Resolution X-Ray Diffraction and Imaging, St. Petersburg, 2012, p. 323.
4. D. V. Roshchupkin, D. V. Irzhak, S. L. Shabel’nikova, and A. A. Firsov, J. Surf. Invest.: X-Ray Synchrotr. Neutron Tech. 7,663(2013).
5. S. Takagi, Acta Crystallogr. 15,1311(1962).