1. M. Cronin-Golomb, B. Fisher, J.O. White, A. Yariv, IEEE J. Quant. Electron. QE-20, 12 (1984)
2. S. Kwong, M. Cronin-Golomb, A. Yariv, IEEE J. Quant. Electron. QE-20, 1508 (1986)
3. Photorefractive Materials and Their Applications, I, edited by P. Günter, J.-P. Huignard, Vol. 62 of Topics in Applied Physics (Springer-Verlag, Berlin, 1989)
4. S. Odoulov, M. Soskin, A. Khyzhnyak, Optical Coherent Oscillators with Degenerate Four-Wave Mixing (Harwood Academic Publishers, Chur, London, 1991)
5. L. Solymar, D.J. Webb, A. Grunnet-Jepsen, The Physics and Applications of Photorefractive Materials (Oxford, Clarendon Press, 1996)