Sikorsky R-4 (Norwegian Wikipedia)

Analysis of information sources in references of the Wikipedia article "Sikorsky R-4" in Norwegian language version.

refsWebsite

Global rank Norwegian rank

439^th place

1,103^rd place

1web.archive.org

1^st place

1^st place

af.mil

nationalmuseum.af.mil

"Fact Sheet: Sikorsky R-4." Arkivert 3. desember 2013 hos Wayback Machine.

web.archive.org

"Fact Sheet: Sikorsky R-4." Arkivert 3. desember 2013 hos Wayback Machine.