12Fermi, Enrico (1926). "Sulla quantizzazione del gas perfetto monoatomico". Rendiconti Lincei (dalam bahasa Italian). 3: 145–9. Pemeliharaan CS1: Bahasa yang tidak diketahui (link), translated as Zannoni,Alberto (transl.)(1999-12-14)."On the Quantization of the Monoatomic Ideal Gas".arΧiv:cond-mat/9912229[cond-mat.stat-mech].