North American X-15 (German Wikipedia)

Analysis of information sources in references of the Wikipedia article "North American X-15" in German language version.

refsWebsite
Global rank German rank
75th place
133rd place

nasa.gov

nasa.gov

  • Dennis R. Jenkins, Tony Landis, Jay Miller: American X-Vehicles. An Inventory – X-1 to X-50 – Centennial of Flight Edition (= Monographs in Aerospace History. Band 31). National Aeronautics and Space Administration, Office of External Relations, Washington, D.C. 2003, S. 21 (nasa.gov [PDF]).

dfrc.nasa.gov