Yu. S. Doronin, A. A. Tkachenko, V. L. Vakula, and G. V. Kamarchuk, Size effect on polarization bremsstrahlung induced by electrons scattered on xenon clusters, Low Temp. Phys. 51, 497–501, (2025) [Fiz. Nyzk. Temp. 51, 552–556, (2025)] DOI: https://doi.org/10.1063/10.0036211.