Wilberg, T (4 January 2006). "AEG Dr. I". Germany: www.luftfahrtmuseum.com. Archived from the original on 26 September 2011. Retrieved 17 November 2011.
web.archive.org
Wilberg, T (4 January 2006). "AEG Dr. I". Germany: www.luftfahrtmuseum.com. Archived from the original on 26 September 2011. Retrieved 17 November 2011.