ALLWEIN, G.; HARRISON, W. L.; ANDREWS, D. Simulation Logic. Logic and Logical Philosophy, [S. l.], v. 23, n. 3, p. 277–299, 2013. DOI: 10.12775/LLP.2013.027. Disponível em: https://apcz.umk.pl/LLP/article/view/LLP.2013.027. Acesso em: 1 apr. 2023.