Brkić, Alojz, and Dragan Badanjak. “Hrvatske željeznice Kao Sastavni Dio Europskoga Prometnog Sustava”. Promet - Traffic&Transportation 6, no. 1-2 (October 11, 2012): 17–22. Accessed August 26, 2025. https://traffic2.fpz.hr/index.php/PROMTT/article/view/1749.