91 20160222141711.0 SIDCimport-95 De Groof, A. 2004 Intensity variations in EIT shutterless mode: Waves or flows? Berghmans, D. van Driel-Gesztelyi, L. Poedts, S. Astronomy Astrophysics 415 2004 1141-1151 http://adsabs.harvard.edu/cgi-bin/nph-bib_query?bibcode=2004A%26A...415.1141D=AST=420c718d0207822 http://www.edpsciences.org/articles/aa/full/2004/09/aa0252/aa0252.html published in REFERD