GÁL, Zoltán; RÁCZ, Szilárd. Transport in the Carpathians. Discussion Papers, [S. l.], n. Special, p. 76–88, 2012. Disponível em: https://www.discussionpapers.rkk.hu/index.php/DP/article/view/2418. Acesso em: 12 may. 2025.