@inproceedings{CTT100798390,
  author = {Tsuyoshi Nagasawa and Yuichi Okura and Ryota Yamada and Susumu Sato and Hidenori Kosaka and Takeshi Yokomori and Norimasa Iida},
  title = {Thermal Efficiency Improvement of SI engine by Direct Water Injection toward Piston Surface under Super-Lean Burn Condition},
  booktitle = {},
  year = 2019,
}

@inproceedings{CTT100780229,
  author = {Yuichi Okura and Tsuyoshi Nagasawa and Ryota Yamada and Susumu Sato and Hidenori Kosaka},
  title = {スーパーリーンバーン SI エンジンにおける筒内水噴射による熱効率向上に関する研究},
  booktitle = {},
  year = 2018,
}