参考文献

Qiu, Renhua; Yin, Shuangfeng; Song, Xingxing; Meng, Zhengong; Qiu, Yimiao; Tan, Nianyuan; Xu, Xinhua; Luo, Shenglian; Dai, Feng-Rong; Au, Chak-Tong; Wong, Wai-Yeung Dalton Transactions, 2011 , vol. 40, # 37 p. 9482 - 9489