Mixed Doping and Nonstoichiometry Effect in Manganate
Zhang Jian-Hui, Zhu Chang-Fei, Li Ya-Dong, Li Xiao-Guang
Acta Phys. -Chim. Sin. . 1999, (01): 44 -49 .  DOI: 10.3866/PKU.WHXB19990109