1. Modern Problems in Condensed Matter Sciences;F. Meier,1984
2. E.L. Ivchenko, G.E. Pikus, Pis’ma Z. Eksp. Teor. Fiz. 27, 640 (1978); JETP Lett. 27, 604 (1978)
3. V.I. Belinicher, Phys. Lett. A 66, 213 (1978)
4. V.M. Asnin, A.A. Bakun, A.M. Danishevskii, E.L. Ivchenko, G.E. Pikus, A.A. Rogachev, Pis’ma Z. Eksp. Teor. Fiz. 28, 80 (1978); JETP Lett. 28, 74 (1978)
5. B.I. Sturman, V.M. Fridkin, The Photovoltaic and Photorefractive Effects in Non-Centrosymmetric Materials (Gordon and Breach Science Publishers, Philadelphia, 1992)