D. M. Alexander, F. E. Bauer, W. N. Brandt, Emanuele Daddi, R. C. Hickox, et al.. X-ray Spectral Constraints for $z\approx$2 Massive Galaxies: The Identification of Reflection-Dominated Active Galactic Nuclei.
The Astrophysical Journal, American Astronomical Society, 2011, 738 (1), pp.44.
⟨10.1088/0004-637X/738/1/44⟩.
⟨cea-00998762⟩