The Transition of Context-Free Textual Languages into a Visual Programming Notation via Graph Techniques and a Metal Tool. - Frank Stefan Bühler; Michael Callaghan; Paul Luker (COMPSAC, 1998)

VOODE/VOOPL-1: The Visual Construction of CORBA Components. - Frank Stefan Bühler; Michael Callaghan; Paul Luker (VL, 2000)

Combining visual modelling with visual programming for CORBA component development. - Frank Stefan Bühler (2002)