The XXL Survey - II. The bright cluster sample: catalogue and luminosity function F. Pacaud, N. Clerc, P. A. Giles, C. Adami, T. Sadibekova, M. Pierre, B. J. Maughan, M. Lieu, J. P. Le Fèvre, S. Alis et al. (33 more) A&A, 592 (2016) A2 Published online: 15 June 2016 DOI: 10.1051/0004-6361/201526891