Filament destabilization and CME release during a long duration flare F. Zuccarello, L. Contarino, F. Farnik, M. Karlicky, P. Romano and I. Ugarte-Urra A&A, 533 (2011) A100 Published online: 07 September 2011 DOI: 10.1051/0004-6361/201117012