Suchoj Su-9 (Czech Wikipedia)

Analysis of information sources in references of the Wikipedia article "Suchoj Su-9" in Czech language version.

refsWebsite

Global rank Czech rank

low place

1,753^rd place

4,678^th place

7,262^nd place

military.cz

viz RS-2US (AA-1 Alkali)

ww2.dk

Michael Holm, http://www.ww2.dk/new/air%20force/regiment/iap/894iap.htm, accessed December 2012.