CORFU, Alin Constantin. “A SHORT MODERN HISTORY OF STUDYING SACROBOSCO’S ‟DE SPHAERA””. Studia Universitatis Babeș-Bolyai Philosophia 65, no. Special Issue (April 20, 2020): 23 –. Accessed October 5, 2024. http://193.231.18.162/index.php/subbphilosophia/article/view/2789.