The first XMM-Newton study of two Narrow-Line Seyfert 1 galaxiesdiscovered in the Sloan Digital Sky Survey

Publisher: Edp Sciences

E-ISSN: 1432-0746|428|1|51-55

ISSN: 0004-6361

Source: Astronomy & Astrophysics, Vol.428, Iss.1, 2004-12, pp. : 51-55

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