1. From Watt to Clausius;Cardwell,1971
2. International Temperature Scale – 90, en.wikipedia.org/wiki/International_Temperature_Scale_of_1990 (accessed 26.08.14.).
3. The Second Law of Thermodynamics, Part I,1976
4. Thermodynamic and Transport Properties of Fluids;Rogers,1994
5. Thermodynamics and Thermostatics;Tribus,1961