Offierski O.2 (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Offierski O.2" in English language version.

refsWebsite

Global rank English rank

6^th place

6^th place

1samolotypolskie.pl

low place

low place

archive.org

Cynk, Jerzy (1971). Polish Aircraft 1893-1939. London: Putnam Publishing. p. 373-4. ISBN 0 370 00085 4.

samolotypolskie.pl

"O-2, 1928". Retrieved 22 December 2017.