NGC 7679 : an anomalous, composite Seyfert 1 galaxy whose X-ray luminous AGN vanishes at optical wavelengths
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U. Padova | M. Cappellari | L. Observatory | E. Corsini | L. Buson | E. Held | J. Lim | A. B. I. Padova | A. P. I. Padova | Academia Sinica Taiwan