"Railway Gazette: Modalohr piggyback wagons approved for Channel Tunnel". Railway Gazette International. 2011-11-23. Retrieved 2011-11-23. http://www.railwaygazette.com/nc/news/single-view/view/modalohr-piggyback-wagons-approved-for-channel-tunnel.html
Lohr Railway System at lohr.fr. Retrieved 23 Jun 2017. http://www.modalohr.com
"Railway Gazette: Modalohr piggyback wagons approved for Channel Tunnel". Railway Gazette International. 2011-11-23. Retrieved 2011-11-23. http://www.railwaygazette.com/nc/news/single-view/view/modalohr-piggyback-wagons-approved-for-channel-tunnel.html
"System comparison: Competing concepts for combined cargo". June 2011. http://www.privatbahn-magazin.eu/index.php?cat=Magazine&page=Comparison