Liu, Yunlong
Kao, Yonggui
Wang, Wencheng
Gao, Zairui
Funding for this research was provided by:
the National Natural Science Foundation of China (61403283)
the National Natural Science Foundation of China (61473097)
Shandong Province Higher Educational Science and Technology Program (J14LN52)
Weifang City Science and Technology Development Program (2014GX022)