参考文献

Liu, Xiaohui; Nan, Hongmei; Sun, Wei; Zhang, Qikai; Zhan, Mingjian; Zou, Luyi; Xie, Zhiyuan; Li, Xiao; Lu, Canzhong; Cheng, Yanxiang Dalton Transactions, 2012 , vol. 41, # 34 p. 10199 - 10210