Chemical enrichment and accretion of nitrogen-loud quasars⋆⋆⋆

Author： Matsuoka K.   Nagao T.   Maiolino R.   Marconi A.   Park D.   Taniguchi Y.  

Publisher： Edp Sciences

E-ISSN： 1432-0746|608|issue|A90-A90

ISSN： 0004-6361

Source： Astronomy & Astrophysics, Vol.608, Iss.issue, 2017-12, pp. : A90-A90

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