GREINER, Karel. Information System of Railway Undertakings Train Track Requirements. Promet - Traffic&Transportation, [S. l.], v. 23, n. 2, p. 141–146, 2012. DOI: 10.7307/ptt.v23i2.141. Disponível em: https://traffic2.fpz.hr/index.php/PROMTT/article/view/1407. Acesso em: 26 aug. 2025.