The extremes of AGN variability: outbursts, deep fades, changing looks, exceptional spectral states, and semi-periodicities
S. Komossa, F. Iacob(West University of Timişoara), Milena Dimitrijevic, Sladjana Marčeta-Mandić(University of Belgrade), K. K. Gupta(University of Liège), V. Petrecca(Astronomical Observatory of Capodimonte), A. Kraus(Max Planck Institute for Radio Astronomy), D. Ilić(Universität Hamburg), P. Marziani(Osservatorio Astronomico di Padova), E. Bon(Isaac Newton Institute), D. De Cicco, V. A. Sreckovic, N. Bon(Isaac Newton Institute), Andjelka B. Kovačević(Chinese Academy of Sciences), Zoltán Haiman(Institute of Science and Technology Austria), D. Grupe(Northern Kentucky University), Meghana Pannikkote(University of Rome Tor Vergata), Luka Č. Popović(Chinese Academy of Sciences)
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