MATOUŠEK, Kamil; FALC, Martin; KOUBA, Zdeněk. Extending Temporal Ontology with Uncertain Historical Time. Computing and Informatics, [S. l.], v. 26, n. 3, p. 239–254, 2012. Disponível em: https://www.cai.sk/ojs/index.php/cai/article/view/309. Acesso em: 30 apr. 2025.