Fermi, Enrico. Sulla quantizzazione del gas perfetto monoatomico. Rendiconti Lincei. 1926, 3: 145–9 (意大利语)., translated as Zannoni, Alberto (transl.). On the Quantization of the Monoatomic Ideal Gas. 1999-12-14. arXiv:cond-mat/9912229|class=被忽略 (帮助).
Mukai, Koji; Jim Lochner. Ask an Astrophysicist. NASA's Imagine the Universe. NASA Goddard Space Flight Center. 1997. (原始内容存档于2009-01-20).引文使用过时参数coauthors (帮助)
Mukai, Koji; Jim Lochner. Ask an Astrophysicist. NASA's Imagine the Universe. NASA Goddard Space Flight Center. 1997. (原始内容存档于2009-01-20).引文使用过时参数coauthors (帮助)
worldcat.org
Kittel, Charles. Introduction to Solid State Physics 4th. New York: John Wiley & Sons. 1971: 249-250. ISBN 0-471-14286-7. OCLC 300039591.