Máy ngắm ném bom Norden (Vietnamese Wikipedia)

Analysis of information sources in references of the Wikipedia article "Máy ngắm ném bom Norden" in Vietnamese language version.

refsWebsite

Global rank Vietnamese rank

3books.google.com

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6^th place

881^st place

1,259^th place

books.google.com

Frater, Stephen (2012). Hell Above Earth: The Incredible True Story of an American WWII Bomber Commander and the Copilot Ordered to Kill Him. St. Martin's Publishing Group. ISBN 978-1429956826 – qua Google Books.
Moy 2001, tr. 84. Moy, Timothy (2001). War Machines: transforming technologies in the U.S. military, 1920–1940. Texas A&M University Press. ISBN 978-1585441044.
Moy 2001, tr. 82. Moy, Timothy (2001). War Machines: transforming technologies in the U.S. military, 1920–1940. Texas A&M University Press. ISBN 978-1585441044.

fbi.gov

foia.fbi.gov

“Federal Bureau of Investigation: Frederick Duquesne Interesting Case Write-up” (PDF). Federal Bureau of Investigation (publicly released on March 12, 1985 under the Freedom of Information Act). Truy cập ngày 12 tháng 5 năm 2007.