2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/7761The status of the INTEGRAL cross-calibration is presented for a standard X-ray astronomy source, the Crab Nebula, as well as for some weaker sources. The relative flux normalization for the different INTEGRAL instruments is discussed together with spectral shape features.Poster presented at the 5th INTEGRAL Workshop, Munich, February 16-20, 2004, to be published in the Workshop proceedings, 4 pages, 5 figures, prepared with esapub.clsAstrophysicstext