@article{CTT100663916,
  author = {T. Izumi and M. Hagiwara and T. Hoshina and H. Takeda and T. Tsurumi},
  title = {Analysis of vibration waveforms of electromechanical response to determine piezoelectric and electrostrictive coefficients},
  journal = {IEEE Trans. Ultra. Ferro. Freq. Contr.},
  year = 2012,
}

@inproceedings{CTT100663929,
  author = {T. Hoshina and T. Furuta and T. Yamazaki and H. Takeda and T. Tsurumi},
  title = {Grain Size Effect of BaTiO3-based Relaxor Ceramics},
  booktitle = {},
  year = 2012,
}