Černiauskaitė, Laura, and Kazys Sakalauskas. “Technical And Economical Problems of Integration of IX B and XI D International Railway Transport Corridors into European Railway Transport Network”. Transport 18, no. 4 (August 31, 2003): 143-152. Accessed April 25, 2024. https://journals.vilniustech.lt/index.php/Transport/article/view/8616.