@inproceedings{CTT100591630,
  author = {Hiromasa ARITOSHI and Shinji Tanaka and Tsunamitsu Nakahara},
  title = {Study on Variation of Refrigerant Concentration in Lubricating Film under High Pressure Atmosphere of CO2 as a Refrigerant},
  booktitle = {Proceedings of World Tribology Congress 2009},
  year = 2009,
}

@inproceedings{CTT100551226,
  author = {有年宏真 and 田中真二},
  title = {CO2冷媒雰囲気における潤滑膜内の冷媒溶解濃度測定},
  booktitle = {日本機械学会関東支部第14期総会講演会講演論文集},
  year = 2008,
}