1. T. L. Gilbert and J. M. Kelly, Conference on Magnetism and Magnetic Materials, Pittsburgh, PA, 14–16 June, 1955 (American Institute of Electrical Engineers, NewYork, 1955), pp. 253–263;
2. S. M. Bhagat,Techniques of Metals Research(Wiley, New York, 1973), pp. 79–163.
3. S. M. Bhagat,Metals Handbook, 9th ed. (ASM International, Materials Park, OH, 1986), p. 267.
4. A ferromagnetic dynamical equation