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