@article{CTT100822496,
  author = {Wei Zhou and Zhe Chen and Nagayasu Oshima and Kenji Ito and Brian O'Rourke and Ryunosuke Kuroda and Ryoichi Suzuki and Hiroshi Yanagishita and Takuro Tsutsui and Akira Uedono and Noriyosu Hayashizaki},
  title = {In-situ characterization of free-volume holes in polymer thin films under controlled humidity conditions with an atmospheric positron probe microanalyzer},
  journal = {Applied Physics Letters},
  year = 2012,
}

@inproceedings{CTT100822497,
  author = {Zhou Wei and Zhe Chen and Oshima Nagayasu and Ito Kenji and O'Rourke Brian E. and Kuroda Ryunosuke and Suzuki Ryoichi and Yanagishita Hiroshi and Tsutsui Takuro and Uedono Akira and Hayashizaki Noriyosu},
  title = {Development of a sample chamber with humidity control for an atmospheric positron probe microanalyzer},
  booktitle = {Journal of Physics: Conference Series},
  year = 2013,
}