GERLA, G.; PAOLILLO, B. Whitehead’s pointfree geometry and diametric posets. Logic and Logical Philosophy, [S. l.], v. 19, n. 4, p. 289–308, 2010. DOI: 10.12775/LLP.2010.010. Disponível em: https://apcz.umk.pl/LLP/article/view/LLP.2010.010. Acesso em: 29 mar. 2024.