10 20160222141710.0 10.1016/S1364-6826(02)00037-8 DOI SIDCimport-10 Berghmans, D. 2002 The Solar Influences Data analysis Centre Clette, F. Cugnon, P. Gabryl, J.R. Hochedez, J.-F. Van der Linden, R.A.M. Verwichte, E. Journal of Atmospheric and Solar-Terrestrial Physics 64 2002 757-761 http://www.sciencedirect.com/web-editions?_ob=MImg=B6VHB-452FFGG-2-N=6062=search=04%2F30%2F2002=1=999359994=dGLbVtb-lSztA=C000044880=1=832113=63a5f25efa05b144c89448c2477d022f=f.pdf published in REFERD