@inproceedings{CTT100408489,
  author = {Xiao Jie GAO and Yakichi HIGO and Shinji KUMAI and Masashi ONO and Shigetomo Nunomura and Kagehisa Murota and Yasuji Tomita and Hajime Sugiyama},
  title = {Application of Acoustic Emission to Artificial Joint},
  booktitle = {Progress in Acoustic Emission},
  year = 1986,
}

@inproceedings{CTT100408490,
  author = {Shinji Kumai and Michio Kawashima and Yakichi Higo and Shigetomo Nunomura},
  title = {Acoustic Emission Generated during Cyclic Deformation in Al-1wt%Si Alloys},
  booktitle = {Progress in Acoustic Emission},
  year = 1986,
}