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Paper: Investigation of Forbidden Line Variability in Seyfert Galaxy Nuclei at Crimean Observatory
Volume: 373, The Central Engine of Active Galactic Nuclei
Page: 554
Authors: Pronik, I.I.
Abstract: Observational evidence on forbidden line variability in the Seyfert galaxy nuclei NGC 1275, NGC 3227 and NGC 7469 was obtained at Crimean Observatory on time scales years, months and days.
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