1. 1. M.I. Eichler, P.G. Gunter, D.W. Pohl, Laser-induced dynamic grating. Springer-Verlag, Berlin Heidelberg (1986).
2. 2. Ye.A. Tikhonov, M.T. Shpak, Nonlinear optical phenomena in organic compositions. Naukova Dumka, Kiev (1979) (in Russian).
3. 3. H.J. Eichler, D. Grebe, R. Macdonald, A.G. Iljin, G.V. Klimusheva, L.I. Zagainova // Optical Materials, 2, p. 201-208 (1993).
4. 4. N. Tomova, V. Dragostinova, L. Nikolova, I. Radoslavova, T. Todorov // J. Signal AM, 9(5), p. 373-379 (1981).
5. 5. С.V. Serak, A.A. Kovalev, A.V. Agashkov // Zhurn. Tekhnich. Fiziki 70, No 7, p. 44-51 (2000) (in Russian).