Lou, Shengfeng
Jia, Lihua
Guo, Xiangfeng
Wu, Ping
Gao, Lianbing
Wang, Jianjun
Funding for this research was provided by:
the Science Research Project of the Ministry of Education of Heilongjiang Province of China (2012TD012, 12511Z030, 12521594, JX201203)
the Graduate Innovation Fund of Heilongjiang Province of China (YJSCX2013-014X)