Kristian Birkeland (English Wikipedia)

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

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  • Lucy Jago (2001). The Northern Lights. New York: Alfred A. Knopf. ISBN 978-0-375-40980-6.
  • Birkeland, Kristian (1908). The Norwegian Aurora Polaris Expedition 1902–1903. New York and Christiania (now Oslo): H. Aschehoug & Co. out-of-print, full text online
  • Egeland, Alv; Burke, William J. (2005). Kristian Birkeland: The First Space Scientist. Springer, Dordrecht, The Netherlands. p. 80. ISBN 9781402032943. Are the Solar Corpuscular Rays that penetrate the Earth's Atmosphere Negative or Positive Rays.

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