1. Norio Takahashi and Daisuke Miyagi, “Examination of magnetic properties of electrical steels under stress condition,” in: The Int. Conf. on Electrical Engineering, Okayama 2008, Okayama University, No. O-003 (2008), pp. 1 – 5.
2. D. Gaworska-Koniarek, B. Szubzda, W. Wilczynski, et al., “The influence of assist gas on magnetic properties of electrotechnical steel sheets cut with laser,” J. Phys., Conf. Ser., 303(1) (2011).
3. GOST 12119.0–98. Electrical steel. Methods of Determination of Magnetic and Electrical Properties. General Requirements [in Russian], Interstate Council of Standardization, Metrology and Certification, Minsk (1998). 5 p.
4. Magnetic Materials. Methods of Measurement of the Magnetic Properties of Electrical Steel Strip and Sheet by Means of an Epstein Frame, BS EN 60404-2 (1998).
5. Magnetic Materials. Methods of Measurement of the Magnetic Properties of Electrical Sheet and Strip by Means of a Single Sheet Tester, BS EN 10280 (2001).