Ostrenko, M. V., K. A. Mishenko, D. G. Patalakh, and S. M. Tykhovod. 2019. “Study of the Surface Effect in Steel at the Industrial Frequency by Means of Magnetoelectric Equivalent Circuits”. Electrical Engineering and Power Engineering, no. 2 (July):23-33. https://doi.org/10.15588/1607-6761-2019-2-2.