Graph Visualization in ArchiCAD. - Janusz Szuba; Ewa Grabska; Adam Borkowski (AGTIVE, 1999)

GraCAD - Graph-Based Tool for Conceptual Design. - Janusz Szuba; Andy Schürr; Adam Borkowski (ICGT, 2002)

On Graphs in Conceptual Engineering Design. - Janusz Szuba; Agnieszka Ozimek; Andy Schürr (AGTIVE, 2003)

New Object-Oriented PROGRES for Specifying the Conceptual Design Tool GraCAD. - Janusz Szuba (GraBaTs, 2004)