KUNNEMAN, Harry. Begrenzing. Krisis | Journal for Contemporary Philosophy, [S. l.], v. 25, n. 4, p. 70–73, 2005. DOI: 10.1347/kris.6.4.70. Disponível em: https://krisis.eu/article/view/39325. Acesso em: 21 oct. 2025.