LUKÁCS, E. A. Robert Halifax, an Oxford Calculator of Shadows. Revista Española de Filosofía Medieval, [S. l.], v. 29, n. 1, p. 77–95, 2022. DOI: 10.21071/refime.v29i1.15135. Disponível em: https://journals.uco.es/refime/article/view/15135. Acesso em: 2 feb. 2025.