GAN, N. On Some Meta-Theoretic Topological Features of the Region Connection Calculus. Logic and Logical Philosophy, [S. l.], v. 32, n. 4, p. 639–669, 2023. DOI: 10.12775/LLP.2023.002. Disponível em: https://apcz.umk.pl/LLP/article/view/41431. Acesso em: 22 feb. 2024.