Flores Camacho, F., N. Ulloa Lugo, and H. Covarrubias Martínez. “The Concept of Entropy, from Its Origins to Teachers”. Revista Mexicana De Física E, vol. 61, no. 2 Jul-Dec, Jan. 2015, pp. 69-80, https://rmf.smf.mx/ojs/index.php/rmf-e/article/view/4736.