Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Shintaku Eiji and Fujimoto Yukio and Hamada Kunihiro and Takeuchi Tetsuya and Takeyabu Naoki,Study on Simple Sensor for Stress History Measurement of Structural Member using Piezoelectric Element,Journal of the Society of Naval Architects of Japan,05148499,The Japan Society of Naval Architects and Ocean Engineers,1999,1999,186,401-411,https://cir.nii.ac.jp/crid/1390001204094140800,https://doi.org/10.2534/jjasnaoe1968.1999.186_401