MLINARIĆ, Tomislav Josip; PONIKVAR, Klemen. Energy Efficiency of Railway Lines. Promet - Traffic&Transportation, [S. l.], v. 23, n. 3, p. 187–193, 2011. DOI: 10.7307/ptt.v23i3.122. Disponível em: https://traffic2.fpz.hr/index.php/PROMTT/article/view/1388. Acesso em: 27 aug. 2025.