Saito, Fumikazu. “Perception and Optics in the 16th Century: Some Features of Della Porta’s Theory of Vision”. Circumscribere International Journal for the History of Science 8 (June 27, 2010): 28–35. Accessed December 5, 2025. https://revistas.pucsp.br/index.php/circumhc/article/view/3086.