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- [5] XMM-Newton observations of the Seyfert 1 galaxy NGC 3227 ASTRONOMY & ASTROPHYSICS, 2003, 397 (03): : 883 - 890
- [7] Multiwavelength studies of the Seyfert 1 galaxy NGC 7469 I. Far UV observations with FUSE Kriss, G.A. (gak@stsci.edu), 1600, EDP Sciences (403):
- [8] The warm absorber and X-ray variability of the Seyfert 1 galaxy NGC 3516 as seen by the XMM-Newton RGS ASTRONOMY & ASTROPHYSICS, 2010, 514