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1998ApJ...503..607F - Astrophys. J., 503, 607-616 (1998/August-3)
The variability properties of X-ray-steep and X-ray-flat quasars.
FIORE F., LAOR A., ELVIS M., NICASTRO F. and GIALLONGO E.
Abstract (from CDS):
Abstract Copyright: ∼
Journal keyword(s): Galaxies: Quasars: Emission Lines - Galaxies: Quasars: General - X-Rays: Galaxies
Simbad objects: 13
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