Pratt & Whitney R-1690 Hornet (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Pratt & Whitney R-1690 Hornet" in English language version.

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2web.archive.org

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Tsygulev (1939). Aviacionnye motory voennykh vozdushnykh sil inostrannykh gosudarstv (Авиационные моторы военных воздушных сил иностранных государств) (in Russian). Moscow: Gosudarstvennoe voennoe izdatelstvo Narkomata Oborony Soyuza SSR. Archived from the original on 2009-03-24.

neam.org

http://neam.org/index.php?option=com_content&view=article&layout=edit&id=1129 "Pratt & Whitney R-1690 Hornet"

utc.com

pw.utc.com

Pratt & Whitney - R-1690 page Archived 2008-01-26 at the Wayback Machine Retrieved: 25 October 2008

web.archive.org

Pratt & Whitney - R-1690 page Archived 2008-01-26 at the Wayback Machine Retrieved: 25 October 2008
Tsygulev (1939). Aviacionnye motory voennykh vozdushnykh sil inostrannykh gosudarstv (Авиационные моторы военных воздушных сил иностранных государств) (in Russian). Moscow: Gosudarstvennoe voennoe izdatelstvo Narkomata Oborony Soyuza SSR. Archived from the original on 2009-03-24.