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1984ApJ...280..499P - Astrophys. J., 280, 499-515 (1984)
Soft X-ray spectral observations of quasars and high X-ray luminositySeyfert galaxies.
PETRE R., MUSHOTZKY R.F., KROLIK J.H. and HOLT S.S.
Journal keyword(s):
Simbad objects: 15
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