Koji Takahashi
- 高周波専用コンパクト形蛍光ランプを使用したトンネル器具の開発. Development of tunnel lighting luminaires which uses the slim & high-frequency fluorescent lamp. Dans: Journal of the Illuminating Engineering Institute of Japan, v. 85 ( 2001). (2001):
- 3次元サウンドを用いた道路交通騒音予測・聴感シミュレータ (The Highway Traffic Noise Simulator Utilizing 3d Sound Library). Dans: Journal of Applied Computing in Civil Engineering, v. 12 ( 2003). (2003):