Ryan X-13 (German Wikipedia)

Analysis of information sources in references of the Wikipedia article "Ryan X-13" in German language version.

refsWebsite
Global rank German rank
6th place
40th place

archive.org

  • Dennis R. Jenkins, Tony Landis, Jay Miller: American X-Vehicles. An Inventory – X-1 to X-50 – Centennial of Flight Edition. In: Monographs in Aerospace History. Band 31. National Aeronautics and Space Administration, Office of External Relations, Washington DC 2003, S. 19 (archive.org [PDF]).