A. O. Sobchuk, D. A. Andrusenko, V. B. Shevchenko, S. A. Alekseev, K. S. Yablochkova, E. A. Lysenkov, R. V. Dinzhos, Filip Ublekov, P. Tuleshkov, N. Koseva, N. M. Gregirchak, M. V. Lazarenko, O. M. Alekseev, and M. M. Lazarenko, Investigation of relaxation processes and phase transition in the polyethylene glycol 400 using IR spectra in a wide temperature range, Low Temp. Phys. 51, 231–238, (2025) [Fiz. Nyzk. Temp. 51, 253–260, (2025)] DOI: https://doi.org/10.1063/10.0035407.