Applying depth-of-field effects to power substation simulation system using virtual reality technique. - Koichi Arai; Shigenobu Furuta; Arata Watanabe; Noboru Kamizi (SIGGRAPH Abstracts and Applications, 1998)

Practice of School Education Using Micro Robots and Verification of its Effectiveness. - Daigo Misaki; Koichi Arai (J. Robotics Mechatronics, 2011)