Black-hole masses of type 1 AGN in the XMM-Newton bright serendipitous survey A. Caccianiga, R. Fanali, P. Severgnini, R. Della Ceca, E. Marchese and S. Mateos A&A, 549 (2013) A119 Published online: 09 January 2013 DOI: 10.1051/0004-6361/201220343