Published in
Oxford University Press (OUP), Monthly Notices of the Royal Astronomical Society, 1(480), p. 345-357
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The evolution of chemical abundance in quasar broad line region
Journal article published in 2018 by
Fei Xu,
Fuyan Bian,
Yue Shen 
,
Wenwen Zuo,
Xiaohui Fan,
Zonghong Zhu
,
Wenwen Zuo,
Xiaohui Fan,
Zonghong Zhu
This paper was not found in any repository, but could be made available legally by the author.
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