Pol nord magnètic: diferència entre les revisions
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* {{ref-web|url=http://www.ngdc.noaa.gov/geomag/GeomagneticPoles.shtml |títol=Wandering of the geomagnetic poles |obra=Geomagnetism |editor=National Geophysical Data Center |consulta= 19 abril 2012}}
* {{ref-web|url=http://geomag.nrcan.gc.ca/index-eng.php |títol=Geomagnetism |editor=Natural Resources Canada |data= 1 abril 2012 |consulta= 19 abril 2012}}
* [http://anthro.palomar.edu/time/images/magnetic_north_pole.gif Map of pole's wandering] {{Webarchive|url=https://web.archive.org/web/20081219150756/http://anthro.palomar.edu/time/images/magnetic_north_pole.gif |date=2008-12-19 }}
* {{ref-notícia |url=http://archives.cnn.com/2002/TECH/space/03/20/north.pole/ |títol=North Magnetic Pole could be leaving Canada |obra=CNN.com |data=20 març 2002 |consulta=19 abril 2012
* {{ref-notícia|url=http://news.bbc.co.uk/2/hi/science/nature/4520982.stm |títol=Magnetic pole drifting fast |obra=BBC News |data=12 desembre 2005 |consulta= 19 abril 2012}}
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