Kos, Serđo, Luka Vukić, and David Brčić. “Comparison of External Costs in Multimodal Container Transport Chain”. Promet - Traffic&Transportation 29, no. 2 (April 21, 2017): 243–252. Accessed August 26, 2025. https://traffic2.fpz.hr/index.php/PROMTT/article/view/2660.