Martin XO-4 (Uzbek Wikipedia)

Analysis of information sources in references of the Wikipedia article "Martin XO-4" in Uzbek language version.

refsWebsite

Global rank Uzbek rank

2web.archive.org

1^st place

1^st place

2books.google.com

3^rd place

4^th place

1marylandaviationmuseum.org

low place

low place

207^th place

633^rd place

low place

2,702^nd place

books.google.com

Duell, Sloan and Pearce. The Official Pictorial History of the AAF (en). United States Army Air Forces Historical Office, 1947.
Air Service Information Circular (en). Director of Air Service, 1923.

marylandaviationmuseum.org

„Martin Aircraft Model Designations, Built and Unbuilt“. Glenn L. Martin Maryland Aviation Museum. 2008-yil 17-mayda asl nusxadan arxivlangan.

psu.edu

personal.psu.edu

„O - Observation Aircraft“ (2007-yil 16-mart). 2007-yil 16-martda asl nusxadan arxivlangan. Qaraldi: 2020-yil 15-iyun.

rcn.com

cgibin.rcn.com

„USAF Serial Number Search Results“. cgibin.rcn.com. Qaraldi: 2020-yil 15-iyun.

web.archive.org

„Martin Aircraft Model Designations, Built and Unbuilt“. Glenn L. Martin Maryland Aviation Museum. 2008-yil 17-mayda asl nusxadan arxivlangan.
„O - Observation Aircraft“ (2007-yil 16-mart). 2007-yil 16-martda asl nusxadan arxivlangan. Qaraldi: 2020-yil 15-iyun.