Terrella (Polish Wikipedia)

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

refsWebsite

Global rank Polish rank

6^th place

33^rd place

613^th place

1,550^th place

archive.org

Kristian Birkeland: The Norwegian Aurora Polaris Expedition 1902-1903. New York and Christiania (now Oslo): H. Aschehoug & Co, 1908 (section 1), 1913 (section 2). out-of-print, full text online

ox.ac.uk

mhs.ox.ac.uk

Terje Brundtland. The Birkeland Terrella. „Sphæra”. 7. [dostęp 2012-05-24].