Wers, I.I.WersWEI-HSIN SUNet al.2018-09-102018-09-101997http://www.scopus.com/inward/record.url?eid=2-s2.0-0031314356&partnerID=MN8TOARShttp://scholars.lib.ntu.edu.tw/handle/123456789/331692Steps toward determination of the size and structure of the broad-line region in active galactic nuclei. XI. Intensive monitoring of the ultraviolet spectrum of NGC 7469journal article10.1086/3130542-s2.0-0031314356