Zhou, Hong-Ping; Tian, Yu-Peng; Wu, Jie-Ying; Zhang, Ju-Zhou; Li, Dong-Mei; Zhu, Yong-Min; Hu, Zhang-Jun; Tao, Xu-Tang; Jiang, Min-Hua; Xie, Yi European Journal of Inorganic Chemistry, 2005 , # 24 p. 4976 - 4984