Mintzia, Diamanto, Fotini Kehagia, Anastasios Tsakalidis, and Efthimios Zervas. “A Methodological Framework for the Comparative Analysis of the Environmental Performance of Roadway and Railway Transport”. Promet - Traffic&Transportation 30, no. 6 (December 27, 2018): 721-731. Accessed November 23, 2024. https://traffic.fpz.hr/index.php/PROMTT/article/view/2804.