SCHACH, Rainer; NAUMANN, René. Comparison of high‐speed transportation systems in special consideration of investment costs. Transport, [S. l.], v. 22, n. 3, p. 139–147, 2007. DOI: 10.3846/16484142.2007.9638116. Disponível em: https://journals.vilniustech.lt/index.php/Transport/article/view/7787. Acesso em: 16 may. 2025.