Wei, Li
Ba, Yuchen
Agarwal, Ravi P
Funding for this research was provided by:
National Natural Science Foundation of China (11071053)
Natural Science Foundation of Hebei Province (A2014207010)
Key Project of Science and Research of Hebei Educational Department (ZH2012080)
Key Project of Science and Research of Hebei University of Economics and Business (2015KYZ03)