Polo Norte (Portuguese Wikipedia)

Analysis of information sources in references of the Wikipedia article "Polo Norte" in Portuguese language version.

refsWebsite

Global rank Portuguese rank

1,588^th place

3,058^th place

1books.google.com

3^rd place

6^th place

8^th place

13^th place

49^th place

88^th place

bbc.co.uk

Black, Richard (8 April 2001). New warning on Arctic sea ice melt. BBC

books.google.com

Mouton, M.W. (1968). The International Regime of the Polar Regions. [S.l.]: Acadimie de Droit International de La Ha. pp. 202 (34). ISBN 978-9028614420. Consultado em 12 de janeiro de 2012

lib.ru

militera.lib.ru

Андерсон, Уильям Роберт (1965). «"Наутилус" у Северного полюса». Воениздат. Consultado em 12 de janeiro de 2012

reuters.com

Ljunggren, David (5 March 2009). Arctic summer ice could vanish by 2013: expert. Reuters