@inproceedings{CTT100840676,
  author = {Kazuhiko Hasebe and Yuji Wada and Kentaro Nakamura},
  title = {接着された圧電素子の遠隔励振による非接触でのボルト緩み検出},
  booktitle = {電子情報通信学会技術研究報告(信学技報)},
  year = 2020,
}

@inproceedings{CTT100840679,
  author = {Kazuhiko Hasebe and Kentaro Nakamura},
  title = {Non-contact measurement of axial force in a bolt by remotely exciting a piezoelectric element bonded to a bolt},
  booktitle = {Proceedings of USE2020},
  year = 2020,
}