1. C. Darwin The Voyage of the Beagle (John Murray London 1839).
2. Memoire sur la puissance motrice de la chaleur;Clapeyron É.;J. Éc. Polytech.,1834
3. A History of Thermodynamics: The Missing Manual
4. On the moving force of heat and the laws of heat which may be deduced therefrom;Clausius R.;Poggendorf’s Ann.,1850
5. News Feature: Tracking the West’s biggest storms