BOKR, J.; JÁNEŠ, V. State of a Logical Object. Acta Polytechnica, [S. l.], v. 46, n. 1, 2006. DOI: 10.14311/808. Disponível em: https://ojs.cvut.cz/ojs/index.php/ap/article/view/808. Acesso em: 27 apr. 2024.