1 | University of Ljubljana Faculty of Maritime Studies and Transport Pot pomorščakov 4, 6320 Portorož, Slovenia |
2 | Vilnius Gediminas Technical University Faculty of Transport Engineering J. Basanavičiaus 28, LT-03224 Vilnius, Lithuania |
3 | University of Maribor Faculty of Criminal Justice and Security Kotnikova ulica 8, 1000 Ljubljana, Slovenia |