1. Petrov, M.P., Stepanov, S.I., and Khomenko, A.V., Fotorefractivnye kristally v kogerentnoi optike (Photorefractive Crystals in Coherent Optics), St. Petersburg: Nauka, 1992.
2. Kamshilin, A.A., Jaaskelainen, T., and Kulchin, Yu.N., Appl. Phys. Lett., 1998, vol. 73, p. 705.
3. Kamshilin, A.A. and Prokofiev, V.V., Opt. Lett., 2002, vol. 27, p. 1711.
4. Romashko, R.V., Shandarov, S.M., Kul’chin, Yu.N., et al., Izv. Akad. Nauk, Ser. Fiz., 2005, vol. 69, no. 8, p. 1143.
5. Romashko, R.V., Kul’chin, Yu.N., and Kamshilin, A.A., Izv. Akad. Nauk, Ser. Fiz., 2006, vol. 70, no. 9, p. 1296.