Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) KAKIMOTO Ken-ichi,Development of Niobate Ceramic Particles for Harsh-environment Piezoelectrics,Hosokawa Powder Technology Foundation ANNUAL REPORT,2189-4663,Hosokawa Powder Technology Foundation,2016,24,0,35-39,https://cir.nii.ac.jp/crid/1390282680779947904,https://doi.org/10.14356/hptf.14104