The Structure and Labile Oxygen of Impurity-doped Perovskite-type Oxide
Qu Zhao-Jun, Yu Chun-Ying, Li Wen-Zhao, Chen Yi-Xuan
Acta Phys. -Chim. Sin. . 1994, (09): 796 -801 .  DOI: 10.3866/PKU.WHXB19940906