XMM-Newton observations of the two X-ray weak quasars PG 1411+442 and Mrk 304

Publisher: Edp Sciences

E-ISSN: 1432-0746|414|1|107-116

ISSN: 0004-6361

Source: Astronomy & Astrophysics, Vol.414, Iss.1, 2004-01, pp. : 107-116

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