XMM-Newton observations of 4 luminous radio-quiet AGN, and the soft X-ray excess problem

Publisher: Edp Sciences

E-ISSN: 1432-0746|482|2|499-505

ISSN: 0004-6361

Source: Astronomy & Astrophysics, Vol.482, Iss.2, 2008-05, pp. : 499-505

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