1. J. Jensen, A.R. Mackintosh, Rare Earth Magnetism Structures and Excitations (Clarendon, Oxford, 1991)
2. W.G. Hoover, Computational Statistical Mechanics (Elsevier, Amsterdam, 1991)
3. K. Moorjani, J.M.D. Coey, Magnetic Glasses (Elsevier, Amsterdam, 1984)
4. P. Hansen, in Handbook of Magnetic Materials, vol. 6, ed. by K.H.J. Bushow (North-Holland, Amsterdam, 1991), p. 289
5. T. Mizoguchi, K. Yamaguchi, H. Miyajima, in Amorphous Magnetism, ed. by H.O. Hooper, A.M. de Graaf (Plenum, New York, 1973)