KUKEC, Josip. Optimizacija varijanata osiguranja cestovnog prijelaza. Promet - Traffic&Transportation, [S. l.], v. 6, n. 3-4, p. 51–62, 2012. Disponível em: https://traffic2.fpz.hr/index.php/PROMTT/article/view/1754. Acesso em: 26 aug. 2025.