1. S. Chikazumi and C.D. Graham: Physics of Ferromagnetism, Oxford University Press, Oxford, U.K., 1997.
2. R.C. O’Handley: Modern Magnetic Materials: Principles and Applications, Wiley, New York, NY, 2000.
3. J.M.D. Coey: Magnetism and Magnetic Materials, Cambridge University Press, New York, NY, 2010.
4. AIC, Flexible magnetic sheeting, http://www.flexible-magnet.com/page/en/Flexible_Magnetic_Sheeting.htm .
5. J.D. Livingston: Driving Force, the Natural Magic of Magnets, Harvard University Press, Cambridge, MA, 1996.