
https://www.ips-journal.eu/topics/economy-and-ecology/czechias-iron-trap-6714/

https://www.piie.com/sites/default/files/documents/wp22-12.pdf

https://wiiw.ac.at/the-emissions-reduction-potential-for-freight-transport-on-a-high-speed-rail-line-along-the-european-silk-road-dlp-6635.pdf