Northrop YB-49: Perbedaan antara revisi
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* Pattillo, Donald M. [http://books.google.co.uk/books?id=shwtKbTbEuEC&printsec=frontcover#v=onepage&q&f=false "Pushing the Envelope: The American Aircraft Industry".] Ann Arbor, Michigan: University of Michigan Press, 2001. ISBN 0-472-08671-5.
* Winchester, Jim. "Northrop XB-35/YB-49" ''Concept Aircraft: Prototypes, X-Planes and Experimental Aircraft''. Kent, UK: Grange Books plc., 2005. ISBN 978-1-84013-809-2.
* Withington, Thomas and Chris Davey. [http://books.google.co.uk/books?id=lkIyKlIFKRYC&printsec=frontcover#v=onepage&q&f=false ''B-2A Spirit Units in Combat''.] {{Webarchive|url=https://web.archive.org/web/20141008071830/http://books.google.co.uk/books?id=lkIyKlIFKRYC&printsec=frontcover#v=onepage&q&f=false |date=2014-10-08 }} Oxford, UK: Osprey Publishing, 2006. ISBN 1-84176-993-2.
* Wooldridge, E. T. ''Winged Wonders: The Story of the Flying Wings''. Washington, D.C.: Smithsonian Institution Press, 1983. ISBN 0-87474-966-2.
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