BFW M.20 (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "BFW M.20" in English language version.

refsWebsite

Global rank English rank

1flightglobal.com

223^rd place

162^nd place

1airhistory.org.uk

low place

low place

1web.archive.org

1^st place

1^st place

1aviation-library.org

low place

low place

airhistory.org.uk

"Civil Aircraft Register - Brasil". Golden Years of Aviation. Retrieved 23 September 2017.

aviation-library.org

Schneider, Helmut (1936). Flugzeug-Typenbuch 1936 (PDF) (in German) (1936 ed.). Leipzig: Herm. Beyer Verlag. p. 13. Archived from the original (PDF) on 2018-09-08. Retrieved 2018-12-21.

flightglobal.com

"The B.F.W. M.20". Flight: 914–916. 18 October 1928. Retrieved 23 September 2017.

web.archive.org

Schneider, Helmut (1936). Flugzeug-Typenbuch 1936 (PDF) (in German) (1936 ed.). Leipzig: Herm. Beyer Verlag. p. 13. Archived from the original (PDF) on 2018-09-08. Retrieved 2018-12-21.