"Yoshihiro Tsujimoto,Clastin I.  Sathish,Kun-Pyo Hong,Kengo Oka,Masaki Azuma,Yanfeng  Guo,Yoshitaka Matsushita,Kazunari Yamaura,Eiji Takayama-Muromachi","Crystal Structural, Magnetic, and Transport Properties of Layered Cobalt Oxyfluorides, Sr2CoO3+xF1�|x (0 ? x ? 0.15)",,"Inorganic Chemistry",,"Vol. 51",,"pp. 4802�|4809",2012,Apr.
"Z. Hiroi,Kazunari Yamaura,M. Azuma,M. Takano","High-Resolution Electron Microscopy Study of the Alkaline-Earth Cupric Oxides and Oxide Carbonates",,"Physica C,",,"Vol. 235-240","  Part II","Page 1005-1006",1994,