@book{CTT100737965,
  author = {太田勝敏 and 室町泰徳},
  title = {25.3 需要予測とプロジェクト評価（池田駿介他編「新領域土木工学ハンドブック」）},
  publisher = {朝倉書店},
  year = 2003,
}

@article{CTT100737899,
  author = {Takeuchi D. and Muromachi Y. and Harata N. and Ohta K.},
  title = {Illegal Parking from the Viewpoint of Social Dilenmma},
  journal = {Transportation Science Society of the Philippines},
  year = 2003,
}