SINAI - Ein objektorientiertes Bildverarbeitungssystem. - Brigitte Wirtz; Christoph Maggioni (DAGM-Symposium, 1989)

A Novel Gestural Input Device for Virtual Reality. - Christoph Maggioni (VRAIS, 1993)

Virtual Touchscreen - a novel User Interface made of Light - Principles, metaphors and experiences. - Christoph Maggioni; Hans Röttger (HCI (1), 1999)