Vakalyuk, V., and A. Vakalyuk. “IMPEDANCE METHOD FOR STUDYING THE ELECTRICAL PROPERTIES OF LITHIUM-IRON SPINEL DOPED WITH RARE EARTH METALS”. European Science, vol. 2, no. sge32-02, Sept. 2024, pp. 166-95, doi:10.30890/2709-2313.2024-32-00-026.