"Daiki Wadati,M Takizawa,Tran Trung,Kiyonao Tanaka,Takashi Mizokawa,Atsushi Fujimori,Akira Chikamatsu,Hiroshi Kumigashira,M Oshima,S. Ishiwata,M. Azuma,M. Takano","Valence Changes Associated with the Metal-Insulator Transition in Bi1-xLaxNiO3",,"Phys. Rev. B",,"Vol. 72","No. 15","pp. 155103-1-155103-5",2005,