BULÍČEK, J. QUESTIONS OF STAR-SHAPED LINES IN PUBLIC PASSENGER MASS TRANSPORT. Perner’s Contacts, [S. l.], v. 6, n. 2, p. 7–15, 2011. Disponível em: https://pernerscontacts.upce.cz/index.php/perner/article/view/822. Acesso em: 18 dub. 2024.