1. V. V. Aristov and A. I. Erko, X-ray Optics (Nauka, Moscow, 1991).
2. A. Snigirev, V. Kohn, I. Snigireva, and B. Lengler, Nature 384, 49 (1996).
3. M. A. Kumakhov, Proc. SPIE 4155, 2 (2000).
4. A. V. Andreev, V. E. Asadchikov, B. V. Mchedlishvili, et al., Pis’ma Zh. Éksp. Teor. Fiz. 73, 205 (2001) [JETP Lett. 73, 184 (2001)].
5. A. V. Andreev, A. V. Balakin, D. Boucher, et al., Pis’ma Zh. Éksp. Teor. Fiz. 71, 539 (2000) [JETP Lett. 71, 370 (2000)].