Northrop YB-49 (Spanish Wikipedia)

Analysis of information sources in references of the Wikipedia article "Northrop YB-49" in Spanish language version.

refsWebsite

Global rank Spanish rank

low place

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1web.archive.org

1^st place

1^st place

archive.org

Cussler, Clive (2000). Blue Gold. Simon and Schuster. p. 282.

cedmagic.com

Howe, Tom. "Northrop YB-49 Flying Wing." cedmagic.com. Retrieved: 25 August 2012.

web.archive.org

"Fact sheet: Northrop YRB-49A." National Museum of the United States Air Force. Retrieved: 29 October 2010.