1. Clausius R. The Mechanical Theory of Heat, with Its Applications to the Steam-Engine and to the Physical Properties of Bodies. London: John van Voorst, 1867.
2. Clausius R, Walter R. The Mechanical Theory of Heat. London: Macmillan and Co., 1879.
3. Prigogine I. What is entropy? Naturwissenschaften, 1989, 76: 1–8.
4. Feng D. Tracing to the Source: The World of Entropy (in Chinese). Beijing: Science Press, 2016 [冯端. 溯源探幽: 熵的世界. 北京: 科学出版社, 2016].
5. Tang S Y. Entropy: An Analysis of A Century’s Mystery (in Chinese). Hefei: University of Science and Technology of China Press, 2004 [汤甦野. 熵: 一个世纪之谜的解析. 合肥: 中国科学技术大学出版社, 2004].