"Kohei MATSUURA,Takuya HOSHINA,Hiroaki TAKEDA,Yukio SAKABE,Takaaki TSURUMI","Effects of Ca substitution on room temperature resistivity of donor-doped barium titanate based PTCR ceramics",,"J. Ceram. Soc. Jpn",,"Vol. 122",,"pp. 402-405",2014,June "¼‰Yk•½,•Û‰È‘ñ–ç,•“c”Ž–¾,â•”s—Y,’ߌ©ŒhÍ","’á’ïR—¦‚ð‚à‚ƒ`ƒ^ƒ“Ž_ƒoƒŠƒEƒ€Œn”¼“±‘̃Zƒ‰ƒ~ƒbƒNƒX‚Ìì»","‘æ33‰ñƒGƒŒƒNƒgƒƒZƒ‰ƒ~ƒbƒNƒXŒ¤‹†“¢˜_‰ï",,,,,,2013,Oct. "¼‰Yk•½,¬“‡ŒhO,•Û‰È‘ñ–ç,•“c”Ž–¾,â•”s—Y,’ߌ©ŒhÍ","ƒ`ƒ^ƒ“Ž_ƒoƒŠƒEƒ€ŒnPTCRÞ—¿‚Ì’á’ïR—¦‰»","“ú–{ƒZƒ‰ƒ~ƒbƒNƒX‹¦‰ï‘æ26‰ñH‹GƒVƒ“ƒ|ƒWƒEƒ€",,,,,,2013,Sept.