S. YEFIMENKO and M. REVA, “CHOICE OF THE METHOD OF MATRIX REGISTRATION IN THE X-RAY RADIOMETRY ANALYSES OF NON-FERROUS METALS”, Вісник: Геологія, no. 51, pp. 4–8, Jan. 2025, Accessed: Oct. 11, 2026. [Online]. Available: https://geology.bulletin.knu.ua/en/article/view/2190