Shen, Xue
Zhang, Zhongwen
Zhang, Xiaoqian
Zhao, Junyu
Zhou, Xiaojun
Xu, Qinglei
Shang, Hongxia
Dong, Jianjun
Liao, Lin
Funding for this research was provided by:
National Natural Science Foundation of China (81070637)
National Natural Science Foundation of China (81570742)
Natural Science Foundation of Shandong (CN) (Y2006C76)