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X-ray variability of 104 active galactic nuclei - XMM-Newton power-spectrum density profiles
archiveprefix: arXiv primaryclass: astro-ph.HE keywords: accretion, accretion disks, Galaxy: nucleus, galaxies: active, X-rays: galaxies eid: A80 adsurl: http://adsabs.harvard.edu/abs/2012A%26A...544A..80G adsnote: Provided by the SAO/NASA Astrophysics Data System