Signatures of X-ray reverberation in the power spectra of AGN I. Papadakis, T. Pecháček, M. Dovčiak, A. Epitropakis, D. Emmanoulopoulos and V. Karas A&A, 588 (2016) A13 Published online: 10 March 2016 DOI: 10.1051/0004-6361/201527246