Xu, Jiuping
Dai, Jiuzhou
Rao, Renqiao
Xie, Huaidong
Funding for this research was provided by:
Major Bidding Program of the National Social Science Foundation of China (12 & ZD217)
Major Program of the Social Science Foundation of Sichuan (SC13ZD06)
Research Funding of Sichuan University (SKG2013001)