Oerlikon 20 mm cannon (English Wikipedia)

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

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airwar.ru

"Oerlikon F/L/S (FFF/FFL/FFS) 20-мм автоматическая пушка".

archive.org

Chinn 1951b, pp. 547–553. Chinn, George M. (1951b), The Machine Gun: Development During World War II and Korean Conflict by the United States and their Allies, of Full Automatic Machine Gun Systems and High Rate of Fire Power Driven Cannon, vol. III, Bureau of Ordnance
Chinn 1951b, pp. 554–561. Chinn, George M. (1951b), The Machine Gun: Development During World War II and Korean Conflict by the United States and their Allies, of Full Automatic Machine Gun Systems and High Rate of Fire Power Driven Cannon, vol. III, Bureau of Ordnance
Chinn 1987, pp. 257–262. Chinn, George M. (1987), The Machine Gun: Development of Full Automatic Machine Gun Systems, High Rate of Fire Power Driven Cannon, and Automatic Grenade Launchers by the United States and her Allies, following World War II, Korean Police Action, and the Vietnam Conflict, vol. V, Bureau of Ordnance

kgbudge.com

pwencycl.kgbudge.com

Budge, Kent G. (2014). "20mm Oerlikon Light Antiaircraft Gun". The Pacific War Online Encyclopedia. Retrieved 30 May 2019.

navweaps.com

"Switzerland Oerlikon 20 mm/70 (0.79") Mark 1"". NavWeaps.com. 14 January 2011. Retrieved 24 September 2011.
"Britain 20 mm/85 (0.79") GAM-BO1". NavWeaps.com. 21 June 2008. Retrieved 23 October 2011.