Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Shikatani Noboru and Maeda Eishi and Komatsu Masahiro and Watanabe Yukio,Appearance of remarkable PTCR characteristics of ZnO-TiO2-NiO ceramics prepared by spark plasma sintering method.,Journal of the Japan Society of Powder and Powder Metallurgy,05328799,Japan Society of Powder and Powder Metallurgy,2002,49,7,581-587,https://cir.nii.ac.jp/crid/1390001206309131008,https://doi.org/10.2497/jjspm.49.581