Man-Machine Interaction Using Eye Movement. - K. Kohzuki; Takeshi Nishiki; A. Tsubokura; Masayuki Ueno; S. Harima; Katsuhide Tsushima (HCI (1), 1999)

NeGAS: logo based authoring environment for 3D computer animation. - Masayuki Ueno; Takeshi Nishiki; Katsuhide Tsushima (Advances in Computer Entertainment Technology, 2006)

3DCG authoring system using turtle metaphor. - Katsuhide Tsushima; Masayuki Ueno; Takeshi Nishiki; Noboru Ashida; Kazuma Tanida (Advances in Computer Entertainment Technology, 2006)