A correlation between the spectral and timing properties of AGNI. E. Papadakis, M. Sobolewska, P. Arevalo, A. Markowitz, I. M. Mc Hardy, L. Miller, J. N. Reeves and T. J. TurnerA&A, 494 3 (2009) 905-913DOI: https://doi.org/10.1051/0004-6361:200811005
