Substantial numbers of easily identifiable illegal DOIs still exist in Scopus. - Meiting Huang; Weishu Liu 001 (J. Informetrics, 2019)

Same journal but different numbers of published records indexed in Scopus and Web of Science Core Collection: causes, consequences, and solutions. - Weishu Liu 001; Meiting Huang; Haifeng Wang 004 (Scientometrics, 2021)