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2. K. Yosida, Theory of Magnetism, 2nd edn. (Springer, Berlin, 1998)
3. D.J. Kim, New Perspectives in Magnetism of Metals (Kluwer/Plenum, New York, 1999)
4. P. Mohn, Magnetism in the Solid State, 2nd edn. (Springer, Berlin, 2006)
5. J. Kübler, Theory of Itinerant Electron Magnetism, 2nd edn. (Oxford University Press, Oxford, 2009)