ŠAFRAN, Mario. ZIRP 2014 Science and Transportation Development. Promet - Traffic&Transportation, [S. l.], v. 26, n. 3, p. 267–268, 2014. DOI: 10.7307/ptt.v26i3.1599. Disponível em: https://traffic2.fpz.hr/index.php/PROMTT/article/view/2474. Acesso em: 26 aug. 2025.