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Clette, F. ; Van der Linden, R.A.M. ; Vanlommel, P. ; Koeckelenbergh, A.
Talk presented at General Sscientific Meeting of the Belgian Physical Society, University of Antwerp, 30/05/2007 on 2007-05-xx
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Royal Observatory of Belgium > Solar Physics & Space Weather (SIDC)
Solar-Terrestrial Centre of Excellence