2003–2005 INTEGRAL and XMM-Newton observations of 3C 273 M. Chernyakova, A. Neronov, T. J.-L. Courvoisier, M. Türler, S. Soldi, V. Beckmann, P. Lubinski, R. Walter, K. L. Page, M. Stuhlinger et al. (2 more) A&A, 465 1 (2007) 147-156 Published online: 11 January 2007 DOI: 10.1051/0004-6361:20066285