North American A-27 (Czech Wikipedia)

Analysis of information sources in references of the Wikipedia article "North American A-27" in Czech language version.

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1uswarplanes.net

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low place

1web.archive.org

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archive.org

JOHNSON, E.R. American Attack Aircraft Since 1926. 1. vyd. Jefferson, NC: McFarland & Company, 2008. Dostupné online. ISBN 978-0-7864-3464-0. Kapitola North American A-27 1940–1942, s. 40-42. (angličtina)

uswarplanes.net

(anglicky) US Planes Info: AT-6 varitations Archivováno 4. 3. 2016 na Wayback Machine.

web.archive.org

(anglicky) US Planes Info: AT-6 varitations Archivováno 4. 3. 2016 na Wayback Machine.