@article{CTT100634204,
  author = {Yoji MIYAJIMA and Takashi ARAGAKI and Hiroki Adachi and Toshiyuki FUJII and Susumu ONAKA and Masaharu KATO},
  title = {Retardation of Softening of Ultrafine-Grained Copper during Low Temperature Annealing under Uniaxial Tensile Stress},
  journal = {Materials Transactions},
  year = 2012,
}

@article{CTT100620425,
  author = {Takahiro Kunimine and Takashi Aragaki and TOSHIYUKI FUJII and SUSUMU ONAKA and MASAHARU KATO},
  title = {Inverse Temperature Dependence of Activation Volume in Ultrafine-Grained Copper Processed by Accumulative Roll-Bonding},
  journal = {Journal of Materials Science},
  year = 2011,
}