Research preferences of the G20 countries: a bibliometrics and visualization analysis. - Zhigang Hu; Gege Lin; Haiyan Hou (ISSI, 2017)

Understanding multiply mentioned references. - Zhigang Hu; Gege Lin; Taian Sun; Haiyan Hou (J. Informetrics, 2017)

An EU without the UK: mapping the UK's changing roles in the EU scientific research. - Zhigang Hu; Gege Lin; Taian Sun; Xianwen Wang (Scientometrics, 2018)

Understanding Multiple References Citation. - Gege Lin; Haiyan Hou; Zhigang Hu (ISSI, 2019)