GREINER, Karel. Algorithm for Generating Train Calendar Texts. Promet - Traffic&Transportation, [S. l.], v. 25, n. 2, p. 99–107, 2013. DOI: 10.7307/ptt.v25i2.1287. Disponível em: https://traffic2.fpz.hr/index.php/PROMTT/article/view/2387. Acesso em: 27 aug. 2025.