modèle d'Einstein
1977 / [Notes and Discussions] Exact, Einstein, and Debye heat capacities of a one-dimensional crystal / J. M. Ramsey ; E. A. Vogler / American Journal of Physics 45 (1977) p. 583 [doi]
1980 / "En attendant Debye..." ('Until Debye': the specific heat of solids) / M. Hulin / European Journal of Physics 1 (1980) p. 222 [doi]