Abramovych A. О., Y. S. Agalidi, and V. O. Piddubnyi. “RADIO ENGINEERING SYSTEM IDENTIFICATION OF METALS ON THE BASIS OF EDDY-CURRENT CONVERTERS”. Radio Electronics, Computer Science, Control, no. 1, May 2020, pp. 7-17, doi:10.15588/1607-3274-2020-1-1.