@article{CTT100548568,
  author = {Takaaki Tsurumi and Jianyong Li and Takuya Hoshina and Hirofumi Kakemoto and Masafumi Nakada and Jun Akedo},
  title = {Ultrawide range dielectric spectroscopy of BaTiO3-based perovskite dielectrics},
  journal = {Applied Physics Letters},
  year = 2007,
}

@article{CTT100562238,
  author = {hirofumi kakemoto and jianyong li and takakiyo harigai and Nam Song-Min and Satoshi Wada and takaaki tsurumi},
  title = {Reflection Intensity Measurement Using Non-contact Microwave Probe and In-plane Mappings for Dielectric Device},
  journal = {J. Euro. Ceram. Soc.},
  year = 2007,
}