1. ^{{cite web|url=http://www.spiegel.de/international/germany/0,1518,716654,00.html|accessdate=2010-09-29|title=Rail Freight Revolution: A Possible Solution to Europe's Clogged Roadways - SPIEGEL ONLINE - News - International}}
2. ^{{cite web|url=http://www.worldcargonews.com/htm/nf20041128.712922.htm|accessdate=2010-09-29|title=Can CargoBeamer open new horizons?|date=2010-09-28}}
3. ^{{cite web |url=http://www.x-rail.org/render.asp?o=7661#4 |accessdate=2011-07-06 |title=www.X-Rail.net |deadurl=yes |archiveurl=https://web.archive.org/web/20120322052110/http://www.x-rail.org/render.asp?o=7661 |archivedate=2012-03-22 |df= }}
4. ^{{cite web|url=http://www.privatbahn-magazin.eu/index.php?cat=Magazine&page=Comparison|title=System comparison: Concepts for combined cargo|date=2011-06}}
5. ^{{cite news|url=http://www.railwaygazette.com/nc/news/single-view/view/modalohr-piggyback-wagons-approved-for-channel-tunnel.html|accessdate=2011-11-23|title=Railway Gazette: Modalohr piggyback wagons approved for Channel Tunnel|date=2011-11-23|work=Railway Gazette International}}
6. ^{{cite web |url=http://ec.europa.eu/research/transport/news/article_10089_en.html |accessdate=2011-07-06 |title=Weighing up the results of EU-funded rail research |date=2011-04-20 |deadurl=yes |archiveurl=https://web.archive.org/web/20101206010223/http://ec.europa.eu/research/transport/news/article_10089_en.html |archivedate=2010-12-06 |df= }}
7. ^Cargospeed