Duque-Naranjo, Nicolás. “Roger Bacon’s On the Multiplication of Species: Translation and Commentary of the Sixth Part. A Philosophy of Nature?”. Escritos 27, no. 59 (December 15, 2019): 222–255. Accessed June 15, 2026. https://revistas.upb.edu.co/index.php/escritos/article/view/331.