"EKBI – Billund"(PDF). AIP Denmark. Copenhagen: Trafikstyrelsen/Danish Transport Authority. 28 June 2012. part AD 2 – EKBI. Archived from the original(PDF) on 24 May 2012. Retrieved 9 September 2012.
"EKBI – Billund"(PDF). AIP Denmark. Copenhagen: Trafikstyrelsen/Danish Transport Authority. 28 June 2012. part AD 2 – EKBI. Archived from the original(PDF) on 24 May 2012. Retrieved 9 September 2012.