Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) 吉岡 正人 and 風間 篤志 and 長田 佐 and Yoshioka Masato and Kazama Atsushi and Osada Tasuku,Output Characteristics of Piezo-Electric Sensor Developed for Measurement of Indentation Force,山梨大學工學部研究報告,05131871,山梨大学工学部,1989,40,,7-13,https://cir.nii.ac.jp/crid/1390572174732352512,https://doi.org/10.34429/00001726