Authors
Yifan Wang
Department of Information Resources Management, School of Economics and Management, University of Chinese Academy of Sciences, Beijing, P.R. China
Xiaoping Liu
National Science Library, Chinese Academy of Sciences, Beijing, P.R. China
Department of Information Resources Management, School of Economics and Management, University of Chinese Academy of Sciences, Beijing, P.R. China
Xiang-Li Zhu
National Science Library, Chinese Academy of Sciences, Beijing, P.R. China
Department of Information Resources Management, School of Economics and Management, University of Chinese Academy of Sciences, Beijing, P.R. China