Книга Физика и жизнь. Законы природы: от кухни до космоса, страница 90 – Элен Черски

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Non-European compasses, Royal Museums Greenwich, http://www.rmg.co.uk/explore/sea-and-ships/facts/ships-and-seafarers/the-magnetic-compass.

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Swarm reveals Earth’s changing magnetism, European Space Agency, 19 June 2014, http://www.esa.int/Our_Activities/Observing_the_Earth/Swarm/Swarm_reveals_Earth_s_changing_magnetism.

David P. Stern, The Great Magnet, the Earth, 20 Nov. 2003, http://www-spof.gsfc.nasa.gov/earthmag/demagint.htm.

Drummond Hoyle Matthews, https://www.e-education.psu.edu/earth520/content/l2_p11.html.

F. J. Vine and D. H. Matthews, Magnetic anomalies over oceanic ridges, Nature, 199, 1963, pp. 947–9.

Kenneth Chang, How plate tectonics became accepted science, New York Times, 15 Jan. 2011.