Боинг B-17 (Bulgarian Wikipedia)

Analysis of information sources in references of the Wikipedia article "Боинг B-17" in Bulgarian language version.

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4books.google.com

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3web.archive.org

1^st place

1^st place

1,290^th place

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1dailypress.com

4,017^th place

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1airforce-magazine.com

8,051^st place

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1aviationshoppe.com

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1flightglobal.com

223^rd place

939^th place

1b17queenofthesky.com

low place

low place

af.mil

nationalmuseum.af.mil

Model 299 Crash, 15 November 1935.
"Intercepting The 'Rex'." National Museum of the United States Air Force.
Boeing B-17B. National Museum of the United States Air Force.
Boeing Y1B-17. National Museum of the United States Air Force.

airforce-magazine.com

Meilinger, Phillip S. When the Fortress Went Down. Air Force Magazine (Air Force Association), Volume 87, Issue 9, October 2004.

aviationshoppe.com

World War II – General Electric Turbosupercharges // Архивиран от оригинала на 2019-10-08. Посетен на 2020-02-20.

b17queenofthesky.com

Lyman, Troy. B17 – Queen of the Sky – The B-17F // Troy Lyman's B-17 Flying Fortress Site, 12 май 2003. Архивиран от оригинала на 2014-08-09. Посетен на 24 юни 2014.

boeing.com

"The Boeing Logbook: 1933 – 1938." Boeing.

books.google.com

"Army's Biggest Bomber Has Rotating Nose." Popular Science Monthly, August 1937.
Giant Bomber Flies Four Miles Per Minute. Popular Mechanics, October 1935.
B-17 checklist. Life, 24 August 1942.
Ethell, Jeff. Our Still-Flying Fortress. Popular Mechanics, Volume 162, Issue 1, January 1985, pp. 124 – 129.

dailypress.com

Erickson, Mark St. John Langley B-17s paved way for independent Air Force Архив на оригинала от 2018-01-16 в Wayback Machine. Daily Press, 1 March 2017.

flightglobal.com

"Flying Fortress (B-17G): A Survey of the Hard-hitting American Heavy Weight." Flight, 4 May 1944, p. 473 – 476.

nytimes.com

"Army Bomber Flies 2300 Miles In 9 Hours, or 252 Miles an Hour; New All-Metal Monoplane Sets a World Record on Non-Stop Flight From Seattle to Dayton, Ohio." The New York Times, 21 August 1935.

web.archive.org

Erickson, Mark St. John Langley B-17s paved way for independent Air Force Архив на оригинала от 2018-01-16 в Wayback Machine. Daily Press, 1 March 2017.
World War II – General Electric Turbosupercharges // Архивиран от оригинала на 2019-10-08. Посетен на 2020-02-20.
Lyman, Troy. B17 – Queen of the Sky – The B-17F // Troy Lyman's B-17 Flying Fortress Site, 12 май 2003. Архивиран от оригинала на 2014-08-09. Посетен на 24 юни 2014.