1. G. A. Prinz, Science (Washington) 282, 1660 (1998).
2. D. Loss and D. P. Divincenzo, Phys. Rev. A:At., Mol., Opt. Phys. 57, 120 (1998).
3. Optical Orientation (Modern Problems in Condensed Matter Sciences), Ed. by B. P. Zakharchenya and F. Meier (Elsevier, New York, 1984; Nauka, Leningrad, 1989).
4. G. L. Bir and G. E. Pikus, Zh. Éksp. Teor. Fiz. 64(6), 2210 (1973) [Sov. Phys. JETP 37 (6), 1116 (1973)].
5. G. L. Bir and G. E. Pikus, in Proceedings of the Winter School on Physics of Semiconductors, A. F. Ioffe Physicotechnical Institute, Leningrad, Russia, 1972 (Leningrad, 1972), pp. 74–96 [in Russian].