Høberg, Jesper (29 February 2008). "IC4-tog står bomstille". Erhverv på Nettet (in Danish). JP/Politikens Hus. Archived from the original on 5 March 2008. Retrieved 14 March 2008.
Høberg, Jesper (29 February 2008). "IC4-tog står bomstille". Erhverv på Nettet (in Danish). JP/Politikens Hus. Archived from the original on 5 March 2008. Retrieved 14 March 2008.