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2000RMxAC...9..319R - Rev. Mex. Astron. Astrofis. Serie de Conf., 9, 319-323 (2000)
Narrow-line Seyfert 1 galaxies: the [O III] lambda5007/H-beta ratio and photoionization models for the NLR.
RODRIGUEZ-ARDILA A., BINETTE L., PASTORIZA M.G. and DONZELLI C.J.
Journal keyword(s):
Simbad objects: 8
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