1. A. Hubert: Theorie der Domänenwände in geordneten Medien; Lecture Notes in Physics, Springer (1974);
2. A.D. Malozemoff and J.C. Slonczewskii; Magnetic Domain Walls in Bubble Materials, Academic Press (1979);
3. U.G. Bar'yakhtar, M.V. Chetkin, B.A. Ivanov, and S.N. Gadetskii; Dynamics of Topological Magnetic Solitons, Springer (1994);
4. A.M. Kosevich, B.A. Ivanov, and A.S. Kovalev; Magnetic Solitons, Physics Reports 194 (1990) 117
5. P.W. Anderson, in: Order and Fluctuations in Equilibrium and Nonequilibrium Statistical Mechanics, eds. G. Nicolis, G. Dewel, and J.W. Turner, Wiley, New York, p. 289 (1981)