Tree Drawing Using Constraint Logic Programming. - Kensei Tsuchida; Yoshihiro Adachi; Takanori Imaki; Takeo Yaku (ICLP, 1997)

Tree-Structured Diagram Drawing System Using CLP. - Takanori Imaki; Kensei Tsuchida; Yoshihiro Adachi; Takeo Yaku (LPE, 1997)

Logichart - Intelligible Program Diagram for Prolog and its Processing System. - Yoshihiro Adachi; Kensei Tsuchida; Takanori Imaki; Takeo Yaku (WLPE@ICLP, 1999)