Blašković Zavada, J., Nikšić, M. and Kovačević, D. (2002) “Railway Development from the Aspect of Environmental Protection”, Promet - Traffic&Transportation, 14(4), pp. 167–171. Available at: https://traffic2.fpz.hr/index.php/PROMTT/article/view/1997 (Accessed: 27 August 2025).