1. R. K. Pathria, Statistical Mechanics, 2nd edn. (Butterworth Heinemann, Oxford, 1996) pp. 168–172.
2. D. V. Schroeder, An Introduction to Thermal Physics (Addison Wesley Longman, San Francisco, 2000) pp. 288–304.
3. Ideal Bosons and Fermions
4. S. Gasiorowicz, Quantum Physics (John Wiley & Sons, New York, 1974) pp. 1–7.