1. Von Klitzing K., Rev. Mod. Phys., 58 (1986) 519.
2. Tsidilkovskii I. M., Band Structure of Semiconductors (Pergamon Press, London) 1992.
3. Ghatak K. P. and Mitra B., Nuovo Cimento D, 15 (1993) 97.
4. Abrikosov B. M., Gasimzade N. F. and Panakov M. M., Sov. Phys. Solid State, 29 (1987) 456; Ghatak K. P. and Biswas S. N., J. Appl. Phys., 70 (1991) 299.
5. Hajdu J. and Landwehr, Springer Tracts Solid State Sci., 57 (1985) 97.