In Search for an Ideal Computer-Assisted Drawing System. - Takeo Igarashi; Sachiko Kawachiya; Satoshi Matsuoka; Hidehiko Tanaka (INTERACT, 1997)

Reduction of Overhead in Drawing Figures with Computer: Detailed Analyses of Drawing Tasks. - Sachiko Kawachiya; Takeo Igarashi; Satoshi Matsuoka; Hidehiko Tanaka (APCHI, 1998)

Pegasus: a drawing system for rapid geometric design. - Takeo Igarashi; Sachiko Kawachiya; Hidehiko Tanaka; Satoshi Matsuoka (CHI Conference Summary, 1998)

Interactive beautification: a technique for rapid geometric design. - Takeo Igarashi; Satoshi Matsuoka; Sachiko Kawachiya; Hidehiko Tanaka (SIGGRAPH Courses, 2006)