INTEGRAL hard X-ray spectra of the cosmic X-ray background and Galactic ridge emissionM. Türler, M. Chernyakova, T. J.-L. Courvoisier, P. Lubiński, A. Neronov, N. Produit and R. WalterA&A, 512 (2010) A49DOI: https://doi.org/10.1051/0004-6361/200913072