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1990PAZh...16..867C - Pis'ma Astron. Zh., 16, 867 (1990)
Rapid brightness and spectrum variations of the nucleus of Seyfert 1 galaxy NGC 7469.
CHUVAEV K.K., LYUTYJ V.M. and DOROSHENKO V.T.
Journal keyword(s):
Simbad objects: 5
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