In-flight calibrations of IBIS/PICsITG. Malaguti, A. Bazzano, A. J. Bird, G. Di Cocco, L. Foschini, P. Laurent, A. Segreto, J. B. Stephen and P. UbertiniA&A, 411 1 (2003) L173-L177DOI: https://doi.org/10.1051/0004-6361:20031208