Maskeliūnaitė, Lijana, Henrikas Sivilevičius, and Valentinas Podvezko. “Research on the Quality of Passenger Transportation by Railway”. Transport 24, no. 2 (June 30, 2009): 100-112. Accessed November 8, 2024. https://tede.vgtu.lt/index.php/Transport/article/view/6118.