E.V. Manzhelii, S.B. Feodosyev, and I.A. Gospodarev, Phonon spectra and vibrational heat capacity of quasi-one-dimensional structures formed by rare gas atoms on the surface of carbon nanotube bundles, Low Temp. Phys. 45, (2019) [Fiz. Nizk. Temp. 45, 404-412, (2019)] DOI: https://doi.org/10.1063/1.5090095.