Gestaltung von Bildzeichen. - Rudolf Haller (1979)

Systematic Design of Human-Computer-Interfaces as Relational Semiotic Systems. - Rudolf Haller (HCI (1), 1999)

Pitfalls in Preserving Geoinformation - Lessons from the Swiss National Park. - Stephan Imfeld; Rudolf Haller (Preservation in Digital Cartography, 2010)