Zhang, Ya
Fa, Huan-bao
He, Bin
Hou, Chang-jun
Huo, Dan-qun
Xia, Tian-ci
Yin, Wei
Funding for this research was provided by:
the National Natural Science Foundation of China (31101284)
the Fundamental Research Funds for the Central Universities (NO. CQDXWL-2012-034)