Topological changes of the photospheric magnetic field inside active regions: A prelude to flares?

Authors: Sorriso-Valvo, L; Carbone, V; Veltri, P; Abramenko, VI; Noullez, A; Politano, H; Pouquet, A; Yurchyshyn, V
Years: 2004
Source Title: PLANETARY AND SPACE SCIENCE
Doi: 10.1016/j.pss.2004.02.006
Venue: LiCryL @ Rende (CS)