1. Volk, T. and Wohlecke, M., Lithium Niobate: Defects, Photorefraction and Ferroelectric Switching, Berlin: Springer, 2008.
2. Ferroelectric Crystals for Photonic Applications, Ferraro, P., Grilli, S., and De Natale, P., Eds., Berlin: Springer, 2009.
3. Golenishchev-Kutuzov, A.V., Golenishchev-Kutuzov, V.A., and Kalimullin, R.I., Fotonnye i fononnye kristally. Formirovanie i primenenie v opto-i akustoelektronike (Photonic and Phononic Crystals. Fabrication and Application in Opto-and Acoustoelectronics), Moscow: Fizmatlit, 2010.
4. Frey, L., Pauliat, G., Jonathan, J.M., et al., Appl. Phys. B, 1999, vol. 68, pp. 999.
5. Veithen, M. and Ghosez, Ph., Phys. Rev. B, 2002, vol. 65, pp. 214302.