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1by O. M. Raspopov, S. N. Sokolov, I. M. Demina, R. Pellinen, A. A. PetrovaGet access
Published in History of Geo- and Space Sciences (2013)
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2by U. Schauer, B. Rudels, E. P. Jones, L. G. Anderson, R. D. Muench, G. Björk, J. H. Swift, V. Ivanov, A.-M. LarssonGet access
Published in Annales Geophysicae (2002)
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Article in Journal/Newspaper