BĂDĂU, Florin. Railway Interlockings – A Review of the Current State of Railway Safety Technology in Europe. Promet - Traffic&Transportation, [S. l.], v. 34, n. 3, p. 443–454, 2022. DOI: 10.7307/ptt.v34i3.3992. Disponível em: https://traffic2.fpz.hr/index.php/PROMTT/article/view/3018. Acesso em: 26 aug. 2025.