162 20160222141712.0 SIDCimport-175 Hochedez, J.-F. 2000 Mid-term variations in the extreme UV corona: the EIT/SoHO perspective Clette, F. Verwichte, E. Berghmans, D. Cugnon, P. ESA SP Series 463 2000 79--84 http://cdsads.u-strasbg.fr/cgi-bin/nph-iarticle_query?2001sefs.work..245H&data_type=PDF_HIGH&type=PRINTER&filetype=.pdf published in NONREF