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2. 2) A. Hubert and R. Schäfer: Magnetic Domains (Springer, 1998) 550–560.
3. 3) B. D. Cullity: Introduction to Magnetic Materials (Addison-Wesley, 1972) 565–575.
4. 4) E. P. Wohlfarth: Ferromagnetic Materials, Vol. 3 (North-Holland Publishing Company, 1982) 107–188.
5. 5) R. C. O’Handley: Modern Magnetic Materials (John Wiley & Sons, 1999) 476–484.