000001421 001__ 1421
000001421 005__ 20160222141727.0
000001421 037__ $$aSIDCimport-1708
000001421 100__ $$aClette, F.
000001421 245__ $$a25 years of sunspot activity index at the SIDC
000001421 260__ $$c2007
000001421 269__ $$c2007-05-xx
000001421 594__ $$aSTCE
000001421 700__ $$aVan der Linden, R.A.M.
000001421 700__ $$aVanlommel, P.
000001421 700__ $$aKoeckelenbergh, A.
000001421 773__ $$tGeneral Sscientific Meeting of the Belgian Physical Society, University of Antwerp, 30/05/2007
000001421 906__ $$aContributed
000001421 980__ $$aCTALKCONT