IBIS ground calibration A. J. Bird, E. J. Barlow, A. Bazzano, C. Blondel, M. Del Santo, G. Di Cocco, M. Gabriele, P. Laurent, F. Lebrun, G. La Rosa et al. (6 more) A&A, 411 1 (2003) L159-L166 Published online: 17 November 2003 DOI: 10.1051/0004-6361:20031439