Yoo, Seung Ho; Choi, Hana; Kim, Hyo-Suk; Park, Bo Keun; Lee, Sun Sook; An, Ki-Seok; Lee, Young Kuk; Chung, Taek-Mo; Kim, Chang Gyoun European Journal of Inorganic Chemistry, 2011 , # 11 p. 1833 - 1839