Analyzing Relative Motion within Groups of Trackable Moving Point Objects. - Patrick Laube; Stephan Imfeld (GIScience, 2002)

Finding REMO - Detecting Relative Motion Patterns in Geospatial Lifelines. - Patrick Laube; Marc J. van Kreveld; Stephan Imfeld (SDH, 2004)

Discovering relative motion patterns in groups of moving point objects. - Patrick Laube; Stephan Imfeld; Robert Weibel (Int. J. Geogr. Inf. Sci., 2005)

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