ALFARO, Juan Pablo. Talbert, Richard J.A. (2017). Roman portable sundials. The Empire in your hands. New York: Oxford University Press. De Rebus Antiquis, [S. l.], n. 8, p. 118–120, 2019. Disponível em: https://erevistas.uca.edu.ar./index.php/DRA/article/view/2534. Acesso em: 18 ene. 2025.