References
- Adler, D., 1981, J. Phys., Paris, 42, C4–3.
- Frye, R. C., and Adler, D., 1981a, Phys. Rev. Letts., 46, 1027; 1981b, Phys. Rev.B, 24, 5812.
- Kirby, P. B., and Paul, W, 1982, Phys. Rev.B, 25, 5373.
- Marshall, J. M., 1977, Phil. Mag., 36, 959.
- Marshall, J. M., and Owen, A. E., 1976, Phil. Mag., 33, 457.
- Orenstein, J., and Kastner, M., 1979, Phys. Rev. Letts., 43, 161.
- Pfister, G, and Scher, H., 1978, Adv. Phys., 27, 747.
- Radjy, N. A., and Green, M., 1980, Phil. Mag.B, 41, 497.
- Schmidlin, F., 1977, Phys. Rev.B, 16, 2362.