Wei, Lian-suo
Wang, Hong-bin
Hu, Xian-cheng
Funding for this research was provided by:
the National Natural Science Foundation of China (61571150)
the Natural Science Foundation of Heilongjiang Province of China (F2017029)
Heilongjiang Provincial Education Office Project (135109237)
Article History
Received: 19 January 2018
Revised: 26 January 2018
Accepted: 7 February 2018
First Online: 27 February 2018