RECOPLA: An Extendible Graphic Meta-Editor. - Zoltan Gassmann; Luis Mandel; Roshan Sembacuttiaratchy (AMAST, 1998)

Automatic Construction of Intelligent Diagrammatic Environments. - Bernd Meyer 001; Hubert Zweckstetter; Luis Mandel; Zoltan Gassmann (HCI (1), 1999)