M.I. Bagatskii, S.B. Feodosyev, I.A. Gospodarev, O.V. Kotlyar, E.V. Manzhelii, A.V. Nedzvetskiy, and E.S. Syrkin, Theory of rare gas alloys: heat capacity: Classical Cryocrystals, Low Temp. Phys. 33, (2007) [Fiz. Nizk. Temp. 33, 741-746, (2007)] DOI: https://doi.org/10.1063/1.2755174.