Stearman XA-21 (Czech Wikipedia)

Analysis of information sources in references of the Wikipedia article "Stearman XA-21" in Czech language version.

refsWebsite

Global rank Czech rank

439^th place

761^st place

2web.archive.org

1^st place

1^st place

1books.google.com

3^rd place

25^th place

af.mil

nationalmuseum.af.mil

(anglicky) Stearman XA-21 (Stepped Cockpit) Archivováno 13. 8. 2007 na Wayback Machine. - Museum of the United States Air Force
(anglicky) Stearman XA-21 (Streamlined Cockpit) Archivováno 22. 7. 2011 na Wayback Machine. - Museum of the United States Air Force

books.google.com

Swift Attack Bombers Race For Jobs In Army Air Corps. Popular Mechanics. Roč. 1939. Dostupné online. (anglicky)

web.archive.org

(anglicky) Stearman XA-21 (Stepped Cockpit) Archivováno 13. 8. 2007 na Wayback Machine. - Museum of the United States Air Force
(anglicky) Stearman XA-21 (Streamlined Cockpit) Archivováno 22. 7. 2011 na Wayback Machine. - Museum of the United States Air Force