XMM-Newton observation of the Lockman Hole - I. The X-ray data G. Hasinger, B. Altieri, M. Arnaud, X. Barcons, J. Bergeron, H. Brunner, M. Dadina, K. Dennerl, P. Ferrando, A. Finoguenov et al. (18 more) A&A, 365 1 (2001) L45-L50 Published online: 15 January 2001 DOI: 10.1051/0004-6361:20000046