Hard X-ray spectral variability of the brightest Seyfert AGN in the Swift/BAT sampleDOI: info:10.1051/0004-6361/201117974v. 537EDP Sciences
Caballero-Garcia, M. D., Papadakis, I. E., Nicastro, F., and Ajello, M. 2012. "Hard X-ray spectral variability of the brightest Seyfert AGN in the Swift/BAT sample." Astronomy and Astrophysics, 537. https://doi.org/10.1051/0004-6361/201117974.