Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) SAWAGUCHI Etsuro,"Discovery of the first ferroelectoric oxide, Barium titanate",Oyo Buturi,03698009,The Japan Society of Applied Physics,2006-10-10,75,10,1202-1209,https://cir.nii.ac.jp/crid/1390001277358876928,https://doi.org/10.11470/oubutsu.75.10_1202