Abramović, Borna. “Horizons of Railway Transport 2013 – ‘Fair Competition As the Key to a Single European Railway Area’”. Promet - Traffic&Transportation 25, no. 6 (December 16, 2013): 607–608. Accessed August 26, 2025. https://traffic2.fpz.hr/index.php/PROMTT/article/view/2442.