D. Kovalenko, R. Yermolenko, O. Gogota, and L. Gavrysh, “Development and Evaluation of a Miniature Scintillation Gamma Spectrometer for Environmental Radiation Monitoring”, J. Sci. Math. Lett., vol. 13, no. 2, pp. 87–106, Sep. 2025, doi: 10.37134/jsml.vol13.2.7.2025.