XMM-Newton observations of the Lockman Hole: X-ray source catalogue and number counts H. Brunner, N. Cappelluti, G. Hasinger, X. Barcons, A. C. Fabian, V. Mainieri and G. Szokoly A&A, 479 1 (2008) 283-300 Published online: 04 December 2007 DOI: 10.1051/0004-6361:20077687