The INTEGRAL ground segment and its science operations centre R. Much, P. Barr, L. Hansson, E. Kuulkers, P. Maldari, J. Nolan, T. Oosterbroek, A. Orr, A. N. Parmar, M. Schmidt et al. (3 more) A&A, 411 1 (2003) L49-L52 Published online: 17 November 2003 DOI: 10.1051/0004-6361:20031252