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2000NewAR..44..487O - New Astronomy Reviews, 44, 487-490 (2000)
NLS1s and Sy1s : a comparison of ionized X-ray absorber properties.
ORR A.
Journal keyword(s):
CDS comments: IRAS 17020+4454 misprint for IRAS 17020+4544.
Simbad objects: 10
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