Implications from the optical to ultraviolet flux ratio of Fe iiemission in quasars

Author： Sameshima H.   Kawara K.   Matsuoka Y.   Oyabu S.   Asami N.   Ienaka N.  

Publisher： Oxford University Press

ISSN： 0035-8711

Source： Monthly Notices of the Royal Astronomical Society, Vol.410, Iss.2, 2011-01, pp. : 1018-1026

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