@inproceedings{CTT100585281,
  author = {Shuichi Kondo and Hiroshi Yamaura and Daisuke Koyama and Kentaro Nakamura},
  title = {Traveling wave type ultrasonic linear motor using twin bending bars},
  booktitle = {Proceedings of 2009 International Congress on Ultrasonics},
  year = 2009,
}

@inproceedings{CTT100554661,
  author = {山浦 博志 and 小山 大介 and 中村 健太郎 and 上羽 貞行},
  title = {平行たわみ振動棒を用いた進行波型超音波リニアモータ},
  booktitle = {日本音響学会2008春季研究発表会講演論文集},
  year = 2008,
}