| 1 | K. H. J. Buschow, F. R. de Boer, Physics of Magnetism and Magnetic Materials,2004 Kluwer Academic Publishers |
| 2 | NICOLA A. SPALDIN, MAGNETIC MATERIALS Fundamentals and Applications, 2010, Cambridge University Press |
| 3 | Robert C. O Handley; Modern Magnetic Materials Principles and Applications,2000,A Wiley-lnterscience Publication |