MYKOLA YAKYMCHUK; IGNAT KORCHAGIN. ON THE POSSIBILITY OF FREQUENCY-RESONANCE METHODS USING TO DETERMINE THE PRESENCE OF CHEMICAL ELEMENTS IN MINERALS, ROCKS AND SEDIMENTS OF CROSS-SECTION. Foundations and Trends in Modern Learning, [S. l.], n. 1, 2023. Disponível em: https://ojs.scipub.de/index.php/FTML/article/view/628. Acesso em: 17 jun. 2026.