20 mm оръдие Oerlikon (Bulgarian Wikipedia)

Analysis of information sources in references of the Wikipedia article "20 mm оръдие Oerlikon" in Bulgarian language version.

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3,314^th place

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1hathitrust.org

441^st place

1,705^th place

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low place

docme.ru

«Афганистан: боевые действия в Панджшере. ОГ „Анава“. Рязань, «Рязанская обл. типография», 2014, 600 с. ISBN 978-5-93165-295-5. с. 174 – 175.

google.ru

books.google.ru

Jet Propelled Helicopter Has Only One Rotor.((en)) // Popular Mechanics, April 1945, v. 83, no. 4, p. 87.
Modern Miracle.((en)) // Popular Mechanics, September 1942, v. 78, no. 3, p. 169.
Our New Schools of War. ((en)) // Popular Mechanics, April 1943, v. 79, no. 4, p. 168.
Left-Eyed Gunner’s Sight Built for Ack-Ack Gun.((en)) // Popular Mechanics, August 1943, v. 80, no. 2, p. 88.
«Noiseless» Sea Skimmer to Battle Submarines.((en)) // Popular Mechanics, February 1943, v. 79, no. 2, p. 7.

hathitrust.org

babel.hathitrust.org

The Ordnance Department: Planning Munitions for War.((en)), 1955, p. 433

narod.ru

commi.narod.ru

20-мм пушки фирмы Эрликон