Merezhko, N., Y. Vovk, V. Indutnyi, K. . Pirkovich, V. Davydiuk, and O. Andreiev. “Devising Criteria for the Authenticity of Historical Cold Weapons Based on X-Ray Fluorescence Analysis of Their Surface”. Eastern-European Journal of Enterprise Technologies, vol. 6, no. 12 (114), Dec. 2021, pp. 6-11, doi:10.15587/1729-4061.2021.247624.