Wu, Shijian
Zhang, Ruixiong
Funding for this research was provided by:
National Natural Science Foundation of China (71371111)
oung and Middle-Aged Scientists Research Awards Fund of Shandong Province (BS2013SF019)
Postdoctoral Science Foundation of China (2014M551937)
Key Project of National Statistical Science Research of China (2010LB27, 2010LB21)
Research and Innovation Teams of Shandong University of Science and Technology (2015TDJH103)