Yao, Liming
Xu, Jiuping
Zhang, Mengxiang
Lv, Chengwei
Li, Chaozhi
Funding for this research was provided by:
National Natural Science Foundation of China (70831005)
National Natural Science Foundation for Young Scholars of China (71301109)
Western and Frontier Region Project of Humanity and Social Sciences Research, Ministry of Education of China (13XJC630018)
Research Foundation of Ministry of Education for the Doctoral Program of Higher Education of China (20130181110063)