@inproceedings{CTT100567235,
  author = {Shinichi Kikuchi and Daisuke Koyama and Kentaro Nakamura and Hyun-Lok Cha},
  title = {Compaction of soft magnetic composite powder using ultrasonc vibrations},
  booktitle = {Proc. 29th Sympo. Ultrason. Electron.},
  year = 2008,
}

@inproceedings{CTT100570059,
  author = {Shinichi Kikuchi and Daisuke Koyama and Kentaro Nakamura},
  title = {A design of ultrasonic compaction tools for metal powder},
  booktitle = {Proc. 2008 IEEE International Ultrasonic Symposium},
  year = 2008,
}

@inproceedings{CTT100565700,
  author = {菊池 慎一 and 小山 大介 and 中村 健太郎 and Hunn-Lok Cha},
  title = {超音波振動を用いた金属粉の圧縮成形の検討},
  booktitle = {日本音響学会2008年秋季研究発表会講演論文集},
  year = 2008,
}