Terrella (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Terrella" in English language version.

refsWebsite

Global rank English rank

6^th place

6^th place

613^th place

456^th place

low place

low place

archive.org

Birkeland, Kristian (1908–1913). The Norwegian Aurora Polaris Expedition 1902-1903. New York and Christiania (now Oslo): H. Aschehoug & Co – via archive.org. out-of-print, full text online

osug.fr

planeterrella.osug.fr

"Planeteterrella - English".

ox.ac.uk

mhs.ox.ac.uk

Terje Brundtland. "The Birkeland Terrella". Sphæra (7). Retrieved 24 May 2012.